Home / 728,565.57-1,092,186.72-254,992.59

Finding the Fourth Proportional to 728,565.57, 1,092,186.72 and 254,992.59

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Solution

The fourth proportional to 728,565.57, 1,092,186.72 and 254,992.59 is: 382,257.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,565.57 : 1,092,186.72 = 254,992.59 : x
  2. Step 2: Convert to fraction form
    728,565.57/1,092,186.72 = 254,992.59/x
  3. Step 3: Cross multiply
    728,565.57x = 1,092,186.72 × 254,992.59
  4. Step 4: Simplify right side
    728,565.57x = 278,499,520,496.41
  5. Step 5: Solve for x
    x = 278,499,520,496.41/728,565.57
  6. Step 6: Final answer
    x = 382,257.32

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Double scale
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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.