Home / 726,642.28-1,002,886.50-424,777.96

Finding the Fourth Proportional to 726,642.28, 1,002,886.50 and 424,777.96

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Solution

The fourth proportional to 726,642.28, 1,002,886.50 and 424,777.96 is: 586,263.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,642.28 : 1,002,886.50 = 424,777.96 : x
  2. Step 2: Convert to fraction form
    726,642.28/1,002,886.50 = 424,777.96/x
  3. Step 3: Cross multiply
    726,642.28x = 1,002,886.50 × 424,777.96
  4. Step 4: Simplify right side
    726,642.28x = 426,004,081,581.54
  5. Step 5: Solve for x
    x = 426,004,081,581.54/726,642.28
  6. Step 6: Final answer
    x = 586,263.82

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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.