Home / 396,976.96-596,231.34-340,179.61

Finding the Fourth Proportional to 396,976.96, 596,231.34 and 340,179.61

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Solution

The fourth proportional to 396,976.96, 596,231.34 and 340,179.61 is: 510,925.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,976.96 : 596,231.34 = 340,179.61 : x
  2. Step 2: Convert to fraction form
    396,976.96/596,231.34 = 340,179.61/x
  3. Step 3: Cross multiply
    396,976.96x = 596,231.34 × 340,179.61
  4. Step 4: Simplify right side
    396,976.96x = 202,825,744,710.98
  5. Step 5: Solve for x
    x = 202,825,744,710.98/396,976.96
  6. Step 6: Final answer
    x = 510,925.73

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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.