Finding the Fourth Proportional to 517,912.36, 714,732.42 and 291,565.96
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Solution
The fourth proportional to 517,912.36, 714,732.42 and 291,565.96 is: 402,368.55
Step by Step Solution
- Step 1: Write the proportion equation
517,912.36 : 714,732.42 = 291,565.96 : x - Step 2: Convert to fraction form
517,912.36/714,732.42 = 291,565.96/x - Step 3: Cross multiply
517,912.36x = 714,732.42 × 291,565.96 - Step 4: Simplify right side
517,912.36x = 208,391,644,180.42 - Step 5: Solve for x
x = 208,391,644,180.42/517,912.36 - Step 6: Final answer
x = 402,368.55
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.