Finding the Fourth Proportional to 647,053.80, 970,580.70 and 332,125.80
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Solution
The fourth proportional to 647,053.80, 970,580.70 and 332,125.80 is: 498,188.70
Step by Step Solution
- Step 1: Write the proportion equation
647,053.80 : 970,580.70 = 332,125.80 : x - Step 2: Convert to fraction form
647,053.80/970,580.70 = 332,125.80/x - Step 3: Cross multiply
647,053.80x = 970,580.70 × 332,125.80 - Step 4: Simplify right side
647,053.80x = 322,354,891,452.06 - Step 5: Solve for x
x = 322,354,891,452.06/647,053.80 - Step 6: Final answer
x = 498,188.70
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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.