Home / 838,489.96-1,257,558.29-269,921.80

Finding the Fourth Proportional to 838,489.96, 1,257,558.29 and 269,921.80

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Solution

The fourth proportional to 838,489.96, 1,257,558.29 and 269,921.80 is: 404,825.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,489.96 : 1,257,558.29 = 269,921.80 : x
  2. Step 2: Convert to fraction form
    838,489.96/1,257,558.29 = 269,921.80/x
  3. Step 3: Cross multiply
    838,489.96x = 1,257,558.29 × 269,921.80
  4. Step 4: Simplify right side
    838,489.96x = 339,442,397,241.72
  5. Step 5: Solve for x
    x = 339,442,397,241.72/838,489.96
  6. Step 6: Final answer
    x = 404,825.83

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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.