Home / 667,166.06-1,000,971.30-443,406.80

Finding the Fourth Proportional to 667,166.06, 1,000,971.30 and 443,406.80

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Solution

The fourth proportional to 667,166.06, 1,000,971.30 and 443,406.80 is: 665,257.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,166.06 : 1,000,971.30 = 443,406.80 : x
  2. Step 2: Convert to fraction form
    667,166.06/1,000,971.30 = 443,406.80/x
  3. Step 3: Cross multiply
    667,166.06x = 1,000,971.30 × 443,406.80
  4. Step 4: Simplify right side
    667,166.06x = 443,837,481,024.84
  5. Step 5: Solve for x
    x = 443,837,481,024.84/667,166.06
  6. Step 6: Final answer
    x = 665,257.88

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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.