Home / 815,540.52-1,125,445.92-457,844.52

Finding the Fourth Proportional to 815,540.52, 1,125,445.92 and 457,844.52

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Solution

The fourth proportional to 815,540.52, 1,125,445.92 and 457,844.52 is: 631,825.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,540.52 : 1,125,445.92 = 457,844.52 : x
  2. Step 2: Convert to fraction form
    815,540.52/1,125,445.92 = 457,844.52/x
  3. Step 3: Cross multiply
    815,540.52x = 1,125,445.92 × 457,844.52
  4. Step 4: Simplify right side
    815,540.52x = 515,279,247,028.36
  5. Step 5: Solve for x
    x = 515,279,247,028.36/815,540.52
  6. Step 6: Final answer
    x = 631,825.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.