Finding the Fourth Proportional to 523,471.05, 722,839.05 and 506,543.67
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Solution
The fourth proportional to 523,471.05, 722,839.05 and 506,543.67 is: 699,464.75
Step by Step Solution
- Step 1: Write the proportion equation
523,471.05 : 722,839.05 = 506,543.67 : x - Step 2: Convert to fraction form
523,471.05/722,839.05 = 506,543.67/x - Step 3: Cross multiply
523,471.05x = 722,839.05 × 506,543.67 - Step 4: Simplify right side
523,471.05x = 366,149,545,206.31 - Step 5: Solve for x
x = 366,149,545,206.31/523,471.05 - Step 6: Final answer
x = 699,464.75
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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.