Finding the Fourth Proportional to 587,750.85, 811,184.84 and 358,441.17
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Solution
The fourth proportional to 587,750.85, 811,184.84 and 358,441.17 is: 494,702.89
Step by Step Solution
- Step 1: Write the proportion equation
587,750.85 : 811,184.84 = 358,441.17 : x - Step 2: Convert to fraction form
587,750.85/811,184.84 = 358,441.17/x - Step 3: Cross multiply
587,750.85x = 811,184.84 × 358,441.17 - Step 4: Simplify right side
587,750.85x = 290,762,044,031.97 - Step 5: Solve for x
x = 290,762,044,031.97/587,750.85 - Step 6: Final answer
x = 494,702.89
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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.