Home / 749,248.10-1,123,872.15-743,999.30

Finding the Fourth Proportional to 749,248.10, 1,123,872.15 and 743,999.30

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Solution

The fourth proportional to 749,248.10, 1,123,872.15 and 743,999.30 is: 1,115,998.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,248.10 : 1,123,872.15 = 743,999.30 : x
  2. Step 2: Convert to fraction form
    749,248.10/1,123,872.15 = 743,999.30/x
  3. Step 3: Cross multiply
    749,248.10x = 1,123,872.15 × 743,999.30
  4. Step 4: Simplify right side
    749,248.10x = 836,160,092,889.50
  5. Step 5: Solve for x
    x = 836,160,092,889.50/749,248.10
  6. Step 6: Final answer
    x = 1,115,998.95

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Half scale
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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.