Home / 850,177.38-1,275,443.46-450,709.68

Finding the Fourth Proportional to 850,177.38, 1,275,443.46 and 450,709.68

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Solution

The fourth proportional to 850,177.38, 1,275,443.46 and 450,709.68 is: 676,158.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,177.38 : 1,275,443.46 = 450,709.68 : x
  2. Step 2: Convert to fraction form
    850,177.38/1,275,443.46 = 450,709.68/x
  3. Step 3: Cross multiply
    850,177.38x = 1,275,443.46 × 450,709.68
  4. Step 4: Simplify right side
    850,177.38x = 574,854,713,714.69
  5. Step 5: Solve for x
    x = 574,854,713,714.69/850,177.38
  6. Step 6: Final answer
    x = 676,158.56

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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.