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Finding the Fourth Proportional to 807,062.84, 1,113,797.06 and 444,486.61

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Solution

The fourth proportional to 807,062.84, 1,113,797.06 and 444,486.61 is: 613,419.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,062.84 : 1,113,797.06 = 444,486.61 : x
  2. Step 2: Convert to fraction form
    807,062.84/1,113,797.06 = 444,486.61/x
  3. Step 3: Cross multiply
    807,062.84x = 1,113,797.06 × 444,486.61
  4. Step 4: Simplify right side
    807,062.84x = 495,067,874,969.60
  5. Step 5: Solve for x
    x = 495,067,874,969.60/807,062.84
  6. Step 6: Final answer
    x = 613,419.24

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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.