Home / 726,562.78-1,002,776.79-424,698.46

Finding the Fourth Proportional to 726,562.78, 1,002,776.79 and 424,698.46

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Solution

The fourth proportional to 726,562.78, 1,002,776.79 and 424,698.46 is: 586,154.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,562.78 : 1,002,776.79 = 424,698.46 : x
  2. Step 2: Convert to fraction form
    726,562.78/1,002,776.79 = 424,698.46/x
  3. Step 3: Cross multiply
    726,562.78x = 1,002,776.79 × 424,698.46
  4. Step 4: Simplify right side
    726,562.78x = 425,877,758,436.74
  5. Step 5: Solve for x
    x = 425,877,758,436.74/726,562.78
  6. Step 6: Final answer
    x = 586,154.11

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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.