Home / 885,140.80-1,327,908.60-254,005.42

Finding the Fourth Proportional to 885,140.80, 1,327,908.60 and 254,005.42

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Solution

The fourth proportional to 885,140.80, 1,327,908.60 and 254,005.42 is: 381,064.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,140.80 : 1,327,908.60 = 254,005.42 : x
  2. Step 2: Convert to fraction form
    885,140.80/1,327,908.60 = 254,005.42/x
  3. Step 3: Cross multiply
    885,140.80x = 1,327,908.60 × 254,005.42
  4. Step 4: Simplify right side
    885,140.80x = 337,295,981,664.61
  5. Step 5: Solve for x
    x = 337,295,981,664.61/885,140.80
  6. Step 6: Final answer
    x = 381,064.78

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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.