Home / 728,411.35-1,092,617.03-444,976.15

Finding the Fourth Proportional to 728,411.35, 1,092,617.03 and 444,976.15

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Solution

The fourth proportional to 728,411.35, 1,092,617.03 and 444,976.15 is: 667,464.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,411.35 : 1,092,617.03 = 444,976.15 : x
  2. Step 2: Convert to fraction form
    728,411.35/1,092,617.03 = 444,976.15/x
  3. Step 3: Cross multiply
    728,411.35x = 1,092,617.03 × 444,976.15
  4. Step 4: Simplify right side
    728,411.35x = 486,188,517,208.95
  5. Step 5: Solve for x
    x = 486,188,517,208.95/728,411.35
  6. Step 6: Final answer
    x = 667,464.23

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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.