Finding the Fourth Proportional to 694,908.36, 1,041,587.98 and 315,259.74
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Solution
The fourth proportional to 694,908.36, 1,041,587.98 and 315,259.74 is: 472,538.21
Step by Step Solution
- Step 1: Write the proportion equation
694,908.36 : 1,041,587.98 = 315,259.74 : x - Step 2: Convert to fraction form
694,908.36/1,041,587.98 = 315,259.74/x - Step 3: Cross multiply
694,908.36x = 1,041,587.98 × 315,259.74 - Step 4: Simplify right side
694,908.36x = 328,370,754,973.78 - Step 5: Solve for x
x = 328,370,754,973.78/694,908.36 - Step 6: Final answer
x = 472,538.21
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.