Home / 396,346.26-594,519.80-185,984.40

Finding the Fourth Proportional to 396,346.26, 594,519.80 and 185,984.40

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Solution

The fourth proportional to 396,346.26, 594,519.80 and 185,984.40 is: 278,976.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,346.26 : 594,519.80 = 185,984.40 : x
  2. Step 2: Convert to fraction form
    396,346.26/594,519.80 = 185,984.40/x
  3. Step 3: Cross multiply
    396,346.26x = 594,519.80 × 185,984.40
  4. Step 4: Simplify right side
    396,346.26x = 110,571,408,291.12
  5. Step 5: Solve for x
    x = 110,571,408,291.12/396,346.26
  6. Step 6: Final answer
    x = 278,976.79

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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.