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Finding the Fourth Proportional to 801,912, 1,106,638.56 and 444,216

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Solution

The fourth proportional to 801,912, 1,106,638.56 and 444,216 is: 613,018.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,912 : 1,106,638.56 = 444,216 : x
  2. Step 2: Convert to fraction form
    801,912/1,106,638.56 = 444,216/x
  3. Step 3: Cross multiply
    801,912x = 1,106,638.56 × 444,216
  4. Step 4: Simplify right side
    801,912x = 491,586,554,568.96
  5. Step 5: Solve for x
    x = 491,586,554,568.96/801,912
  6. Step 6: Final answer
    x = 613,018.08

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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.