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Finding the Fourth Proportional to 801,924, 1,106,655.12 and 444,228

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Solution

The fourth proportional to 801,924, 1,106,655.12 and 444,228 is: 613,034.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,924 : 1,106,655.12 = 444,228 : x
  2. Step 2: Convert to fraction form
    801,924/1,106,655.12 = 444,228/x
  3. Step 3: Cross multiply
    801,924x = 1,106,655.12 × 444,228
  4. Step 4: Simplify right side
    801,924x = 491,607,190,647.36
  5. Step 5: Solve for x
    x = 491,607,190,647.36/801,924
  6. Step 6: Final answer
    x = 613,034.64

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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.