Finding the Fourth Proportional to 529,307.14, 730,446.84 and 287,591.68
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Solution
The fourth proportional to 529,307.14, 730,446.84 and 287,591.68 is: 396,878.14
Step by Step Solution
- Step 1: Write the proportion equation
529,307.14 : 730,446.84 = 287,591.68 : x - Step 2: Convert to fraction form
529,307.14/730,446.84 = 287,591.68/x - Step 3: Cross multiply
529,307.14x = 730,446.84 × 287,591.68 - Step 4: Simplify right side
529,307.14x = 210,070,433,866.29 - Step 5: Solve for x
x = 210,070,433,866.29/529,307.14 - Step 6: Final answer
x = 396,878.14
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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.