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Finding the Fourth Proportional to 665,630.10, 998,445.15 and 244,851.30

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Solution

The fourth proportional to 665,630.10, 998,445.15 and 244,851.30 is: 367,276.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,630.10 : 998,445.15 = 244,851.30 : x
  2. Step 2: Convert to fraction form
    665,630.10/998,445.15 = 244,851.30/x
  3. Step 3: Cross multiply
    665,630.10x = 998,445.15 × 244,851.30
  4. Step 4: Simplify right side
    665,630.10x = 244,470,592,956.20
  5. Step 5: Solve for x
    x = 244,470,592,956.20/665,630.10
  6. Step 6: Final answer
    x = 367,276.95

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Double scale
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Similar ratio
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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.