Finding the Fourth Proportional to 523,700.74, 722,737.99 and 394,411.17
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Solution
The fourth proportional to 523,700.74, 722,737.99 and 394,411.17 is: 544,310.74
Step by Step Solution
- Step 1: Write the proportion equation
523,700.74 : 722,737.99 = 394,411.17 : x - Step 2: Convert to fraction form
523,700.74/722,737.99 = 394,411.17/x - Step 3: Cross multiply
523,700.74x = 722,737.99 × 394,411.17 - Step 4: Simplify right side
523,700.74x = 285,055,939,442.63 - Step 5: Solve for x
x = 285,055,939,442.63/523,700.74 - Step 6: Final answer
x = 544,310.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.