Home / 749,038.40-1,123,557.60-327,867.20

Finding the Fourth Proportional to 749,038.40, 1,123,557.60 and 327,867.20

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Solution

The fourth proportional to 749,038.40, 1,123,557.60 and 327,867.20 is: 491,800.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,038.40 : 1,123,557.60 = 327,867.20 : x
  2. Step 2: Convert to fraction form
    749,038.40/1,123,557.60 = 327,867.20/x
  3. Step 3: Cross multiply
    749,038.40x = 1,123,557.60 × 327,867.20
  4. Step 4: Simplify right side
    749,038.40x = 368,377,684,350.72
  5. Step 5: Solve for x
    x = 368,377,684,350.72/749,038.40
  6. Step 6: Final answer
    x = 491,800.80

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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.