Home / 748,249.83-1,122,540.60-215,729.29

Finding the Fourth Proportional to 748,249.83, 1,122,540.60 and 215,729.29

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Solution

The fourth proportional to 748,249.83, 1,122,540.60 and 215,729.29 is: 323,641.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,249.83 : 1,122,540.60 = 215,729.29 : x
  2. Step 2: Convert to fraction form
    748,249.83/1,122,540.60 = 215,729.29/x
  3. Step 3: Cross multiply
    748,249.83x = 1,122,540.60 × 215,729.29
  4. Step 4: Simplify right side
    748,249.83x = 242,164,886,634.17
  5. Step 5: Solve for x
    x = 242,164,886,634.17/748,249.83
  6. Step 6: Final answer
    x = 323,641.75

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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.