Home / 726,961.92-1,090,665.28-372,226.88

Finding the Fourth Proportional to 726,961.92, 1,090,665.28 and 372,226.88

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Solution

The fourth proportional to 726,961.92, 1,090,665.28 and 372,226.88 is: 558,454.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,961.92 : 1,090,665.28 = 372,226.88 : x
  2. Step 2: Convert to fraction form
    726,961.92/1,090,665.28 = 372,226.88/x
  3. Step 3: Cross multiply
    726,961.92x = 1,090,665.28 × 372,226.88
  4. Step 4: Simplify right side
    726,961.92x = 405,974,934,298.73
  5. Step 5: Solve for x
    x = 405,974,934,298.73/726,961.92
  6. Step 6: Final answer
    x = 558,454.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.