Home / 348,719.40-523,079.10-327,724.20

Finding the Fourth Proportional to 348,719.40, 523,079.10 and 327,724.20

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Solution

The fourth proportional to 348,719.40, 523,079.10 and 327,724.20 is: 491,586.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,719.40 : 523,079.10 = 327,724.20 : x
  2. Step 2: Convert to fraction form
    348,719.40/523,079.10 = 327,724.20/x
  3. Step 3: Cross multiply
    348,719.40x = 523,079.10 × 327,724.20
  4. Step 4: Simplify right side
    348,719.40x = 171,425,679,584.22
  5. Step 5: Solve for x
    x = 171,425,679,584.22/348,719.40
  6. Step 6: Final answer
    x = 491,586.30

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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.