Home / 482,926.20-724,389.30-314,964.60

Finding the Fourth Proportional to 482,926.20, 724,389.30 and 314,964.60

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Solution

The fourth proportional to 482,926.20, 724,389.30 and 314,964.60 is: 472,446.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,926.20 : 724,389.30 = 314,964.60 : x
  2. Step 2: Convert to fraction form
    482,926.20/724,389.30 = 314,964.60/x
  3. Step 3: Cross multiply
    482,926.20x = 724,389.30 × 314,964.60
  4. Step 4: Simplify right side
    482,926.20x = 228,156,986,118.78
  5. Step 5: Solve for x
    x = 228,156,986,118.78/482,926.20
  6. Step 6: Final answer
    x = 472,446.90

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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.