Home / 729,727.92-1,006,470.18-627,923.88

Finding the Fourth Proportional to 729,727.92, 1,006,470.18 and 627,923.88

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Solution

The fourth proportional to 729,727.92, 1,006,470.18 and 627,923.88 is: 866,057.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,727.92 : 1,006,470.18 = 627,923.88 : x
  2. Step 2: Convert to fraction form
    729,727.92/1,006,470.18 = 627,923.88/x
  3. Step 3: Cross multiply
    729,727.92x = 1,006,470.18 × 627,923.88
  4. Step 4: Simplify right side
    729,727.92x = 631,986,660,529.90
  5. Step 5: Solve for x
    x = 631,986,660,529.90/729,727.92
  6. Step 6: Final answer
    x = 866,057.94

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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.