Finding the Fourth Proportional to 664,324.20, 996,486.30 and 487,177.20
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Solution
The fourth proportional to 664,324.20, 996,486.30 and 487,177.20 is: 730,765.80
Step by Step Solution
- Step 1: Write the proportion equation
664,324.20 : 996,486.30 = 487,177.20 : x - Step 2: Convert to fraction form
664,324.20/996,486.30 = 487,177.20/x - Step 3: Cross multiply
664,324.20x = 996,486.30 × 487,177.20 - Step 4: Simplify right side
664,324.20x = 485,465,405,472.36 - Step 5: Solve for x
x = 485,465,405,472.36/664,324.20 - Step 6: Final answer
x = 730,765.80
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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.