Home / 815,540.09-1,125,414.05-452,987.10

Finding the Fourth Proportional to 815,540.09, 1,125,414.05 and 452,987.10

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Solution

The fourth proportional to 815,540.09, 1,125,414.05 and 452,987.10 is: 625,104.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,540.09 : 1,125,414.05 = 452,987.10 : x
  2. Step 2: Convert to fraction form
    815,540.09/1,125,414.05 = 452,987.10/x
  3. Step 3: Cross multiply
    815,540.09x = 1,125,414.05 × 452,987.10
  4. Step 4: Simplify right side
    815,540.09x = 509,798,044,543.82
  5. Step 5: Solve for x
    x = 509,798,044,543.82/815,540.09
  6. Step 6: Final answer
    x = 625,104.83

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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.