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Finding the Fourth Proportional to 801,900, 1,106,622 and 444,204

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Solution

The fourth proportional to 801,900, 1,106,622 and 444,204 is: 613,001.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,900 : 1,106,622 = 444,204 : x
  2. Step 2: Convert to fraction form
    801,900/1,106,622 = 444,204/x
  3. Step 3: Cross multiply
    801,900x = 1,106,622 × 444,204
  4. Step 4: Simplify right side
    801,900x = 491,565,918,888
  5. Step 5: Solve for x
    x = 491,565,918,888/801,900
  6. Step 6: Final answer
    x = 613,001.52

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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.