Finding the Fourth Proportional to 529,557.17, 731,140.82 and 406,830.99
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Solution
The fourth proportional to 529,557.17, 731,140.82 and 406,830.99 is: 561,697.12
Step by Step Solution
- Step 1: Write the proportion equation
529,557.17 : 731,140.82 = 406,830.99 : x - Step 2: Convert to fraction form
529,557.17/731,140.82 = 406,830.99/x - Step 3: Cross multiply
529,557.17x = 731,140.82 × 406,830.99 - Step 4: Simplify right side
529,557.17x = 297,450,737,940.15 - Step 5: Solve for x
x = 297,450,737,940.15/529,557.17 - Step 6: Final answer
x = 561,697.12
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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.