Home / 667,561.10-1,001,341.45-443,359.24

Finding the Fourth Proportional to 667,561.10, 1,001,341.45 and 443,359.24

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Solution

The fourth proportional to 667,561.10, 1,001,341.45 and 443,359.24 is: 665,038.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,561.10 : 1,001,341.45 = 443,359.24 : x
  2. Step 2: Convert to fraction form
    667,561.10/1,001,341.45 = 443,359.24/x
  3. Step 3: Cross multiply
    667,561.10x = 1,001,341.45 × 443,359.24
  4. Step 4: Simplify right side
    667,561.10x = 443,953,984,252.50
  5. Step 5: Solve for x
    x = 443,953,984,252.50/667,561.10
  6. Step 6: Final answer
    x = 665,038.73

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Similar ratio
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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.