Home / 348,721.40-523,082.10-327,726.20

Finding the Fourth Proportional to 348,721.40, 523,082.10 and 327,726.20

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Solution

The fourth proportional to 348,721.40, 523,082.10 and 327,726.20 is: 491,589.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,721.40 : 523,082.10 = 327,726.20 : x
  2. Step 2: Convert to fraction form
    348,721.40/523,082.10 = 327,726.20/x
  3. Step 3: Cross multiply
    348,721.40x = 523,082.10 × 327,726.20
  4. Step 4: Simplify right side
    348,721.40x = 171,427,708,921.02
  5. Step 5: Solve for x
    x = 171,427,708,921.02/348,721.40
  6. Step 6: Final answer
    x = 491,589.30

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Similar ratio
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1.5x scale

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.