Finding the Fourth Proportional to 486,750.20, 730,125.30 and 468,087.80
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Solution
The fourth proportional to 486,750.20, 730,125.30 and 468,087.80 is: 702,131.70
Step by Step Solution
- Step 1: Write the proportion equation
486,750.20 : 730,125.30 = 468,087.80 : x - Step 2: Convert to fraction form
486,750.20/730,125.30 = 468,087.80/x - Step 3: Cross multiply
486,750.20x = 730,125.30 × 468,087.80 - Step 4: Simplify right side
486,750.20x = 341,762,745,401.34 - Step 5: Solve for x
x = 341,762,745,401.34/486,750.20 - Step 6: Final answer
x = 702,131.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.