Home / 996,280.20-1,494,420.30-331,432.20

Finding the Fourth Proportional to 996,280.20, 1,494,420.30 and 331,432.20

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Solution

The fourth proportional to 996,280.20, 1,494,420.30 and 331,432.20 is: 497,148.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,280.20 : 1,494,420.30 = 331,432.20 : x
  2. Step 2: Convert to fraction form
    996,280.20/1,494,420.30 = 331,432.20/x
  3. Step 3: Cross multiply
    996,280.20x = 1,494,420.30 × 331,432.20
  4. Step 4: Simplify right side
    996,280.20x = 495,299,007,753.66
  5. Step 5: Solve for x
    x = 495,299,007,753.66/996,280.20
  6. Step 6: Final answer
    x = 497,148.30

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Double scale
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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.