Finding the Fourth Proportional to 688,251.22, 949,938.48 and 382,432.68
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Solution
The fourth proportional to 688,251.22, 949,938.48 and 382,432.68 is: 527,841.45
Step by Step Solution
- Step 1: Write the proportion equation
688,251.22 : 949,938.48 = 382,432.68 : x - Step 2: Convert to fraction form
688,251.22/949,938.48 = 382,432.68/x - Step 3: Cross multiply
688,251.22x = 949,938.48 × 382,432.68 - Step 4: Simplify right side
688,251.22x = 363,287,518,741.53 - Step 5: Solve for x
x = 363,287,518,741.53/688,251.22 - Step 6: Final answer
x = 527,841.45
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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.