Home / 749,033.13-1,123,656.30-243,431.55

Finding the Fourth Proportional to 749,033.13, 1,123,656.30 and 243,431.55

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Solution

The fourth proportional to 749,033.13, 1,123,656.30 and 243,431.55 is: 365,181.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,033.13 : 1,123,656.30 = 243,431.55 : x
  2. Step 2: Convert to fraction form
    749,033.13/1,123,656.30 = 243,431.55/x
  3. Step 3: Cross multiply
    749,033.13x = 1,123,656.30 × 243,431.55
  4. Step 4: Simplify right side
    749,033.13x = 273,533,394,776.27
  5. Step 5: Solve for x
    x = 273,533,394,776.27/749,033.13
  6. Step 6: Final answer
    x = 365,181.97

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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.