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Finding the Fourth Proportional to 508,799.75, 763,365.47 and 255,949.75

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Solution

The fourth proportional to 508,799.75, 763,365.47 and 255,949.75 is: 384,008.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,799.75 : 763,365.47 = 255,949.75 : x
  2. Step 2: Convert to fraction form
    508,799.75/763,365.47 = 255,949.75/x
  3. Step 3: Cross multiply
    508,799.75x = 763,365.47 × 255,949.75
  4. Step 4: Simplify right side
    508,799.75x = 195,383,198,016.97
  5. Step 5: Solve for x
    x = 195,383,198,016.97/508,799.75
  6. Step 6: Final answer
    x = 384,008.04

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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.