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Finding the Fourth Proportional to 802,108.11, 1,106,908.88 and 444,412.11

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Solution

The fourth proportional to 802,108.11, 1,106,908.88 and 444,412.11 is: 613,288.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,108.11 : 1,106,908.88 = 444,412.11 : x
  2. Step 2: Convert to fraction form
    802,108.11/1,106,908.88 = 444,412.11/x
  3. Step 3: Cross multiply
    802,108.11x = 1,106,908.88 × 444,412.11
  4. Step 4: Simplify right side
    802,108.11x = 491,923,708,716.48
  5. Step 5: Solve for x
    x = 491,923,708,716.48/802,108.11
  6. Step 6: Final answer
    x = 613,288.54

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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.