Finding the Fourth Proportional to 664,414.80, 996,622.20 and 465,349.20
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Solution
The fourth proportional to 664,414.80, 996,622.20 and 465,349.20 is: 698,023.80
Step by Step Solution
- Step 1: Write the proportion equation
664,414.80 : 996,622.20 = 465,349.20 : x - Step 2: Convert to fraction form
664,414.80/996,622.20 = 465,349.20/x - Step 3: Cross multiply
664,414.80x = 996,622.20 × 465,349.20 - Step 4: Simplify right side
664,414.80x = 463,777,343,472.24 - Step 5: Solve for x
x = 463,777,343,472.24/664,414.80 - Step 6: Final answer
x = 698,023.80
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1.5x scale
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.