The Common Ratio of a Geometric Sequence Is $\frac { 3 } { 7 }$

Multiple Choice

The common ratio of a geometric sequence is $\frac { 3 } { 7 }$ and the fourth term is $\frac { 1 } { 7 }$ Find the third term

A) $a _ { 1 } = \frac { 1 } { 3 }$

B) $a _ { 1 } = \frac { 7 } { 3 }$

C) $a _ { 1 } = \frac { 3 } { 7 }$

D) $a _ { 1 } = \frac { 5 } { 3 }$

E) $a _ { 1 } = \frac { 2 } { 7 }$