Home / 752,645.20-1,038,658.14-408,484.10

Finding the Fourth Proportional to 752,645.20, 1,038,658.14 and 408,484.10

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Solution

The fourth proportional to 752,645.20, 1,038,658.14 and 408,484.10 is: 563,712.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,645.20 : 1,038,658.14 = 408,484.10 : x
  2. Step 2: Convert to fraction form
    752,645.20/1,038,658.14 = 408,484.10/x
  3. Step 3: Cross multiply
    752,645.20x = 1,038,658.14 × 408,484.10
  4. Step 4: Simplify right side
    752,645.20x = 424,275,335,525.57
  5. Step 5: Solve for x
    x = 424,275,335,525.57/752,645.20
  6. Step 6: Final answer
    x = 563,712.27

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.