Home / 726,226.30-1,002,177.89-403,929.46

Finding the Fourth Proportional to 726,226.30, 1,002,177.89 and 403,929.46

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Solution

The fourth proportional to 726,226.30, 1,002,177.89 and 403,929.46 is: 557,414.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,226.30 : 1,002,177.89 = 403,929.46 : x
  2. Step 2: Convert to fraction form
    726,226.30/1,002,177.89 = 403,929.46/x
  3. Step 3: Cross multiply
    726,226.30x = 1,002,177.89 × 403,929.46
  4. Step 4: Simplify right side
    726,226.30x = 404,809,173,931.64
  5. Step 5: Solve for x
    x = 404,809,173,931.64/726,226.30
  6. Step 6: Final answer
    x = 557,414.64

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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.