Home / 667,561.60-1,001,342.19-443,359.75

Finding the Fourth Proportional to 667,561.60, 1,001,342.19 and 443,359.75

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Solution

The fourth proportional to 667,561.60, 1,001,342.19 and 443,359.75 is: 665,039.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,561.60 : 1,001,342.19 = 443,359.75 : x
  2. Step 2: Convert to fraction form
    667,561.60/1,001,342.19 = 443,359.75/x
  3. Step 3: Cross multiply
    667,561.60x = 1,001,342.19 × 443,359.75
  4. Step 4: Simplify right side
    667,561.60x = 443,954,823,022.85
  5. Step 5: Solve for x
    x = 443,954,823,022.85/667,561.60
  6. Step 6: Final answer
    x = 665,039.49

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1.5x scale

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.