Home / 728,422.10-1,092,633.15-444,986.90

Finding the Fourth Proportional to 728,422.10, 1,092,633.15 and 444,986.90

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Solution

The fourth proportional to 728,422.10, 1,092,633.15 and 444,986.90 is: 667,480.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,422.10 : 1,092,633.15 = 444,986.90 : x
  2. Step 2: Convert to fraction form
    728,422.10/1,092,633.15 = 444,986.90/x
  3. Step 3: Cross multiply
    728,422.10x = 1,092,633.15 × 444,986.90
  4. Step 4: Simplify right side
    728,422.10x = 486,207,438,255.74
  5. Step 5: Solve for x
    x = 486,207,438,255.74/728,422.10
  6. Step 6: Final answer
    x = 667,480.35

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Double scale
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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.