Finding the Fourth Proportional to 647,107.20, 970,660.80 and 532,945.80
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Solution
The fourth proportional to 647,107.20, 970,660.80 and 532,945.80 is: 799,418.70
Step by Step Solution
- Step 1: Write the proportion equation
647,107.20 : 970,660.80 = 532,945.80 : x - Step 2: Convert to fraction form
647,107.20/970,660.80 = 532,945.80/x - Step 3: Cross multiply
647,107.20x = 970,660.80 × 532,945.80 - Step 4: Simplify right side
647,107.20x = 517,309,596,584.64 - Step 5: Solve for x
x = 517,309,596,584.64/647,107.20 - Step 6: Final answer
x = 799,418.70
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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.