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Finding the Fourth Proportional to 801,816, 1,106,508.24 and 444,120

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Solution

The fourth proportional to 801,816, 1,106,508.24 and 444,120 is: 612,886.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,816 : 1,106,508.24 = 444,120 : x
  2. Step 2: Convert to fraction form
    801,816/1,106,508.24 = 444,120/x
  3. Step 3: Cross multiply
    801,816x = 1,106,508.24 × 444,120
  4. Step 4: Simplify right side
    801,816x = 491,422,439,548.80
  5. Step 5: Solve for x
    x = 491,422,439,548.80/801,816
  6. Step 6: Final answer
    x = 612,886.80

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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.