Home / 726,275.60-1,002,288.84-439,633.52

Finding the Fourth Proportional to 726,275.60, 1,002,288.84 and 439,633.52

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Solution

The fourth proportional to 726,275.60, 1,002,288.84 and 439,633.52 is: 606,711.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,275.60 : 1,002,288.84 = 439,633.52 : x
  2. Step 2: Convert to fraction form
    726,275.60/1,002,288.84 = 439,633.52/x
  3. Step 3: Cross multiply
    726,275.60x = 1,002,288.84 × 439,633.52
  4. Step 4: Simplify right side
    726,275.60x = 440,639,770,785.92
  5. Step 5: Solve for x
    x = 440,639,770,785.92/726,275.60
  6. Step 6: Final answer
    x = 606,711.52

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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.