Home / 821,233.68-1,231,853.37-252,610.92

Finding the Fourth Proportional to 821,233.68, 1,231,853.37 and 252,610.92

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Solution

The fourth proportional to 821,233.68, 1,231,853.37 and 252,610.92 is: 378,917.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,233.68 : 1,231,853.37 = 252,610.92 : x
  2. Step 2: Convert to fraction form
    821,233.68/1,231,853.37 = 252,610.92/x
  3. Step 3: Cross multiply
    821,233.68x = 1,231,853.37 × 252,610.92
  4. Step 4: Simplify right side
    821,233.68x = 311,179,613,100.80
  5. Step 5: Solve for x
    x = 311,179,613,100.80/821,233.68
  6. Step 6: Final answer
    x = 378,917.26

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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.