Home / 726,641.28-1,002,885.12-424,776.96

Finding the Fourth Proportional to 726,641.28, 1,002,885.12 and 424,776.96

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Solution

The fourth proportional to 726,641.28, 1,002,885.12 and 424,776.96 is: 586,262.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,641.28 : 1,002,885.12 = 424,776.96 : x
  2. Step 2: Convert to fraction form
    726,641.28/1,002,885.12 = 424,776.96/x
  3. Step 3: Cross multiply
    726,641.28x = 1,002,885.12 × 424,776.96
  4. Step 4: Simplify right side
    726,641.28x = 426,002,492,502.84
  5. Step 5: Solve for x
    x = 426,002,492,502.84/726,641.28
  6. Step 6: Final answer
    x = 586,262.44

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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.