Home / 668,824.56-1,003,422.60-269,371.80

Finding the Fourth Proportional to 668,824.56, 1,003,422.60 and 269,371.80

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Solution

The fourth proportional to 668,824.56, 1,003,422.60 and 269,371.80 is: 404,132.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,824.56 : 1,003,422.60 = 269,371.80 : x
  2. Step 2: Convert to fraction form
    668,824.56/1,003,422.60 = 269,371.80/x
  3. Step 3: Cross multiply
    668,824.56x = 1,003,422.60 × 269,371.80
  4. Step 4: Simplify right side
    668,824.56x = 270,293,751,922.68
  5. Step 5: Solve for x
    x = 270,293,751,922.68/668,824.56
  6. Step 6: Final answer
    x = 404,132.52

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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.