Home / 667,837.44-1,002,149.28-247,406.40

Finding the Fourth Proportional to 667,837.44, 1,002,149.28 and 247,406.40

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Solution

The fourth proportional to 667,837.44, 1,002,149.28 and 247,406.40 is: 371,255.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,837.44 : 1,002,149.28 = 247,406.40 : x
  2. Step 2: Convert to fraction form
    667,837.44/1,002,149.28 = 247,406.40/x
  3. Step 3: Cross multiply
    667,837.44x = 1,002,149.28 × 247,406.40
  4. Step 4: Simplify right side
    667,837.44x = 247,938,145,627.39
  5. Step 5: Solve for x
    x = 247,938,145,627.39/667,837.44
  6. Step 6: Final answer
    x = 371,255.23

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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.