Home / 681,008.96-1,021,158.71-254,193.80

Finding the Fourth Proportional to 681,008.96, 1,021,158.71 and 254,193.80

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Solution

The fourth proportional to 681,008.96, 1,021,158.71 and 254,193.80 is: 381,158.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,008.96 : 1,021,158.71 = 254,193.80 : x
  2. Step 2: Convert to fraction form
    681,008.96/1,021,158.71 = 254,193.80/x
  3. Step 3: Cross multiply
    681,008.96x = 1,021,158.71 × 254,193.80
  4. Step 4: Simplify right side
    681,008.96x = 259,572,206,521.24
  5. Step 5: Solve for x
    x = 259,572,206,521.24/681,008.96
  6. Step 6: Final answer
    x = 381,158.29

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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.