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Finding the Fourth Proportional to 802,145.52, 1,106,960.84 and 444,449.52

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Solution

The fourth proportional to 802,145.52, 1,106,960.84 and 444,449.52 is: 613,340.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,145.52 : 1,106,960.84 = 444,449.52 : x
  2. Step 2: Convert to fraction form
    802,145.52/1,106,960.84 = 444,449.52/x
  3. Step 3: Cross multiply
    802,145.52x = 1,106,960.84 × 444,449.52
  4. Step 4: Simplify right side
    802,145.52x = 491,988,213,996.80
  5. Step 5: Solve for x
    x = 491,988,213,996.80/802,145.52
  6. Step 6: Final answer
    x = 613,340.35

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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.