Home / 915,891.30-1,373,836.95-632,456.10

Finding the Fourth Proportional to 915,891.30, 1,373,836.95 and 632,456.10

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Solution

The fourth proportional to 915,891.30, 1,373,836.95 and 632,456.10 is: 948,684.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,891.30 : 1,373,836.95 = 632,456.10 : x
  2. Step 2: Convert to fraction form
    915,891.30/1,373,836.95 = 632,456.10/x
  3. Step 3: Cross multiply
    915,891.30x = 1,373,836.95 × 632,456.10
  4. Step 4: Simplify right side
    915,891.30x = 868,891,559,432.90
  5. Step 5: Solve for x
    x = 868,891,559,432.90/915,891.30
  6. Step 6: Final answer
    x = 948,684.15

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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.