Home / 396,815.28-594,716.76-185,988.72

Finding the Fourth Proportional to 396,815.28, 594,716.76 and 185,988.72

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Solution

The fourth proportional to 396,815.28, 594,716.76 and 185,988.72 is: 278,745.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,815.28 : 594,716.76 = 185,988.72 : x
  2. Step 2: Convert to fraction form
    396,815.28/594,716.76 = 185,988.72/x
  3. Step 3: Cross multiply
    396,815.28x = 594,716.76 × 185,988.72
  4. Step 4: Simplify right side
    396,815.28x = 110,610,608,954.95
  5. Step 5: Solve for x
    x = 110,610,608,954.95/396,815.28
  6. Step 6: Final answer
    x = 278,745.84

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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.