Home / 819,250.75-1,229,083.49-228,274.75

Finding the Fourth Proportional to 819,250.75, 1,229,083.49 and 228,274.75

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Solution

The fourth proportional to 819,250.75, 1,229,083.49 and 228,274.75 is: 342,469.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,250.75 : 1,229,083.49 = 228,274.75 : x
  2. Step 2: Convert to fraction form
    819,250.75/1,229,083.49 = 228,274.75/x
  3. Step 3: Cross multiply
    819,250.75x = 1,229,083.49 × 228,274.75
  4. Step 4: Simplify right side
    819,250.75x = 280,568,726,408.88
  5. Step 5: Solve for x
    x = 280,568,726,408.88/819,250.75
  6. Step 6: Final answer
    x = 342,469.90

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1.5x scale

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.