Home / 667,573.88-1,002,108.06-443,372.12

Finding the Fourth Proportional to 667,573.88, 1,002,108.06 and 443,372.12

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Solution

The fourth proportional to 667,573.88, 1,002,108.06 and 443,372.12 is: 665,554.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,573.88 : 1,002,108.06 = 443,372.12 : x
  2. Step 2: Convert to fraction form
    667,573.88/1,002,108.06 = 443,372.12/x
  3. Step 3: Cross multiply
    667,573.88x = 1,002,108.06 × 443,372.12
  4. Step 4: Simplify right side
    667,573.88x = 444,306,775,031.29
  5. Step 5: Solve for x
    x = 444,306,775,031.29/667,573.88
  6. Step 6: Final answer
    x = 665,554.46

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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.