Home / 667,627.66-1,001,441.19-443,425.75

Finding the Fourth Proportional to 667,627.66, 1,001,441.19 and 443,425.75

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Solution

The fourth proportional to 667,627.66, 1,001,441.19 and 443,425.75 is: 665,138.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,627.66 : 1,001,441.19 = 443,425.75 : x
  2. Step 2: Convert to fraction form
    667,627.66/1,001,441.19 = 443,425.75/x
  3. Step 3: Cross multiply
    667,627.66x = 1,001,441.19 × 443,425.75
  4. Step 4: Simplify right side
    667,627.66x = 444,064,810,756.64
  5. Step 5: Solve for x
    x = 444,064,810,756.64/667,627.66
  6. Step 6: Final answer
    x = 665,138.43

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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.