Home / 675,154.20-1,013,229.03-320,169.24

Finding the Fourth Proportional to 675,154.20, 1,013,229.03 and 320,169.24

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Solution

The fourth proportional to 675,154.20, 1,013,229.03 and 320,169.24 is: 480,489.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,154.20 : 1,013,229.03 = 320,169.24 : x
  2. Step 2: Convert to fraction form
    675,154.20/1,013,229.03 = 320,169.24/x
  3. Step 3: Cross multiply
    675,154.20x = 1,013,229.03 × 320,169.24
  4. Step 4: Simplify right side
    675,154.20x = 324,404,768,481.04
  5. Step 5: Solve for x
    x = 324,404,768,481.04/675,154.20
  6. Step 6: Final answer
    x = 480,489.89

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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.