Home / 667,559.85-1,001,339.55-443,358.03

Finding the Fourth Proportional to 667,559.85, 1,001,339.55 and 443,358.03

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Solution

The fourth proportional to 667,559.85, 1,001,339.55 and 443,358.03 is: 665,036.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,559.85 : 1,001,339.55 = 443,358.03 : x
  2. Step 2: Convert to fraction form
    667,559.85/1,001,339.55 = 443,358.03/x
  3. Step 3: Cross multiply
    667,559.85x = 1,001,339.55 × 443,358.03
  4. Step 4: Simplify right side
    667,559.85x = 443,951,930,249.09
  5. Step 5: Solve for x
    x = 443,951,930,249.09/667,559.85
  6. Step 6: Final answer
    x = 665,036.90

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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.