Home / 721,685.82-1,082,769.14-241,961.09

Finding the Fourth Proportional to 721,685.82, 1,082,769.14 and 241,961.09

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Solution

The fourth proportional to 721,685.82, 1,082,769.14 and 241,961.09 is: 363,022.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,685.82 : 1,082,769.14 = 241,961.09 : x
  2. Step 2: Convert to fraction form
    721,685.82/1,082,769.14 = 241,961.09/x
  3. Step 3: Cross multiply
    721,685.82x = 1,082,769.14 × 241,961.09
  4. Step 4: Simplify right side
    721,685.82x = 261,988,001,332.76
  5. Step 5: Solve for x
    x = 261,988,001,332.76/721,685.82
  6. Step 6: Final answer
    x = 363,022.24

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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.