Home / 709,338.30-1,064,007.45-443,399.10

Finding the Fourth Proportional to 709,338.30, 1,064,007.45 and 443,399.10

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Solution

The fourth proportional to 709,338.30, 1,064,007.45 and 443,399.10 is: 665,098.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,338.30 : 1,064,007.45 = 443,399.10 : x
  2. Step 2: Convert to fraction form
    709,338.30/1,064,007.45 = 443,399.10/x
  3. Step 3: Cross multiply
    709,338.30x = 1,064,007.45 × 443,399.10
  4. Step 4: Simplify right side
    709,338.30x = 471,779,945,723.30
  5. Step 5: Solve for x
    x = 471,779,945,723.30/709,338.30
  6. Step 6: Final answer
    x = 665,098.65

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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.