Home / 755,402.42-1,132,991.89-275,517.89

Finding the Fourth Proportional to 755,402.42, 1,132,991.89 and 275,517.89

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Solution

The fourth proportional to 755,402.42, 1,132,991.89 and 275,517.89 is: 413,236.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,402.42 : 1,132,991.89 = 275,517.89 : x
  2. Step 2: Convert to fraction form
    755,402.42/1,132,991.89 = 275,517.89/x
  3. Step 3: Cross multiply
    755,402.42x = 1,132,991.89 × 275,517.89
  4. Step 4: Simplify right side
    755,402.42x = 312,159,534,919.91
  5. Step 5: Solve for x
    x = 312,159,534,919.91/755,402.42
  6. Step 6: Final answer
    x = 413,236.08

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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.