Home / 750,860.80-1,126,302.72-252,229.12

Finding the Fourth Proportional to 750,860.80, 1,126,302.72 and 252,229.12

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Solution

The fourth proportional to 750,860.80, 1,126,302.72 and 252,229.12 is: 378,347.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,860.80 : 1,126,302.72 = 252,229.12 : x
  2. Step 2: Convert to fraction form
    750,860.80/1,126,302.72 = 252,229.12/x
  3. Step 3: Cross multiply
    750,860.80x = 1,126,302.72 × 252,229.12
  4. Step 4: Simplify right side
    750,860.80x = 284,086,343,919.21
  5. Step 5: Solve for x
    x = 284,086,343,919.21/750,860.80
  6. Step 6: Final answer
    x = 378,347.55

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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.