Home / 726,253.56-1,002,215.16-403,956.72

Finding the Fourth Proportional to 726,253.56, 1,002,215.16 and 403,956.72

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Solution

The fourth proportional to 726,253.56, 1,002,215.16 and 403,956.72 is: 557,452.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,253.56 : 1,002,215.16 = 403,956.72 : x
  2. Step 2: Convert to fraction form
    726,253.56/1,002,215.16 = 403,956.72/x
  3. Step 3: Cross multiply
    726,253.56x = 1,002,215.16 × 403,956.72
  4. Step 4: Simplify right side
    726,253.56x = 404,851,548,767.88
  5. Step 5: Solve for x
    x = 404,851,548,767.88/726,253.56
  6. Step 6: Final answer
    x = 557,452.07

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1.5x scale

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.