Home / 754,859.20-1,132,434.60-380,882.20

Finding the Fourth Proportional to 754,859.20, 1,132,434.60 and 380,882.20

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Solution

The fourth proportional to 754,859.20, 1,132,434.60 and 380,882.20 is: 571,396.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,859.20 : 1,132,434.60 = 380,882.20 : x
  2. Step 2: Convert to fraction form
    754,859.20/1,132,434.60 = 380,882.20/x
  3. Step 3: Cross multiply
    754,859.20x = 1,132,434.60 × 380,882.20
  4. Step 4: Simplify right side
    754,859.20x = 431,324,181,804.12
  5. Step 5: Solve for x
    x = 431,324,181,804.12/754,859.20
  6. Step 6: Final answer
    x = 571,396.87

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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.