Home / 667,626.66-1,001,439.69-443,424.75

Finding the Fourth Proportional to 667,626.66, 1,001,439.69 and 443,424.75

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Solution

The fourth proportional to 667,626.66, 1,001,439.69 and 443,424.75 is: 665,136.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,626.66 : 1,001,439.69 = 443,424.75 : x
  2. Step 2: Convert to fraction form
    667,626.66/1,001,439.69 = 443,424.75/x
  3. Step 3: Cross multiply
    667,626.66x = 1,001,439.69 × 443,424.75
  4. Step 4: Simplify right side
    667,626.66x = 444,063,144,178.33
  5. Step 5: Solve for x
    x = 444,063,144,178.33/667,626.66
  6. Step 6: Final answer
    x = 665,136.93

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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.