Home / 979,841.56-1,469,190.30-380,101.92

Finding the Fourth Proportional to 979,841.56, 1,469,190.30 and 380,101.92

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Solution

The fourth proportional to 979,841.56, 1,469,190.30 and 380,101.92 is: 569,930.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,841.56 : 1,469,190.30 = 380,101.92 : x
  2. Step 2: Convert to fraction form
    979,841.56/1,469,190.30 = 380,101.92/x
  3. Step 3: Cross multiply
    979,841.56x = 1,469,190.30 × 380,101.92
  4. Step 4: Simplify right side
    979,841.56x = 558,442,049,078.60
  5. Step 5: Solve for x
    x = 558,442,049,078.60/979,841.56
  6. Step 6: Final answer
    x = 569,930.97

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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.