Home / 979,558.76-1,469,227.88-339,744.62

Finding the Fourth Proportional to 979,558.76, 1,469,227.88 and 339,744.62

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Solution

The fourth proportional to 979,558.76, 1,469,227.88 and 339,744.62 is: 509,578.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,558.76 : 1,469,227.88 = 339,744.62 : x
  2. Step 2: Convert to fraction form
    979,558.76/1,469,227.88 = 339,744.62/x
  3. Step 3: Cross multiply
    979,558.76x = 1,469,227.88 × 339,744.62
  4. Step 4: Simplify right side
    979,558.76x = 499,162,272,306.44
  5. Step 5: Solve for x
    x = 499,162,272,306.44/979,558.76
  6. Step 6: Final answer
    x = 509,578.69

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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.