Home / 804,520.70-1,206,781.05-243,583.10

Finding the Fourth Proportional to 804,520.70, 1,206,781.05 and 243,583.10

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Solution

The fourth proportional to 804,520.70, 1,206,781.05 and 243,583.10 is: 365,374.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,520.70 : 1,206,781.05 = 243,583.10 : x
  2. Step 2: Convert to fraction form
    804,520.70/1,206,781.05 = 243,583.10/x
  3. Step 3: Cross multiply
    804,520.70x = 1,206,781.05 × 243,583.10
  4. Step 4: Simplify right side
    804,520.70x = 293,951,469,180.26
  5. Step 5: Solve for x
    x = 293,951,469,180.26/804,520.70
  6. Step 6: Final answer
    x = 365,374.65

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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.