Home / 752,789.43-1,038,715.38-426,100.86

Finding the Fourth Proportional to 752,789.43, 1,038,715.38 and 426,100.86

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Solution

The fourth proportional to 752,789.43, 1,038,715.38 and 426,100.86 is: 587,943.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,789.43 : 1,038,715.38 = 426,100.86 : x
  2. Step 2: Convert to fraction form
    752,789.43/1,038,715.38 = 426,100.86/x
  3. Step 3: Cross multiply
    752,789.43x = 1,038,715.38 × 426,100.86
  4. Step 4: Simplify right side
    752,789.43x = 442,597,516,713.23
  5. Step 5: Solve for x
    x = 442,597,516,713.23/752,789.43
  6. Step 6: Final answer
    x = 587,943.32

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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.