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Finding the Fourth Proportional to 579,898, 800,260.68 and 338,346.64

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Solution

The fourth proportional to 579,898, 800,260.68 and 338,346.64 is: 466,919.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,898 : 800,260.68 = 338,346.64 : x
  2. Step 2: Convert to fraction form
    579,898/800,260.68 = 338,346.64/x
  3. Step 3: Cross multiply
    579,898x = 800,260.68 × 338,346.64
  4. Step 4: Simplify right side
    579,898x = 270,765,512,202.12
  5. Step 5: Solve for x
    x = 270,765,512,202.12/579,898
  6. Step 6: Final answer
    x = 466,919.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.