Finding the Fourth Proportional to 486,857.70, 730,286.55 and 468,195.30
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Solution
The fourth proportional to 486,857.70, 730,286.55 and 468,195.30 is: 702,292.95
Step by Step Solution
- Step 1: Write the proportion equation
486,857.70 : 730,286.55 = 468,195.30 : x - Step 2: Convert to fraction form
486,857.70/730,286.55 = 468,195.30/x - Step 3: Cross multiply
486,857.70x = 730,286.55 × 468,195.30 - Step 4: Simplify right side
486,857.70x = 341,916,730,363.22 - Step 5: Solve for x
x = 341,916,730,363.22/486,857.70 - Step 6: Final answer
x = 702,292.95
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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.