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Finding the Fourth Proportional to 787,737.88, 1,086,706.02 and 465,232.60

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Solution

The fourth proportional to 787,737.88, 1,086,706.02 and 465,232.60 is: 641,801.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,737.88 : 1,086,706.02 = 465,232.60 : x
  2. Step 2: Convert to fraction form
    787,737.88/1,086,706.02 = 465,232.60/x
  3. Step 3: Cross multiply
    787,737.88x = 1,086,706.02 × 465,232.60
  4. Step 4: Simplify right side
    787,737.88x = 505,571,067,120.25
  5. Step 5: Solve for x
    x = 505,571,067,120.25/787,737.88
  6. Step 6: Final answer
    x = 641,801.14

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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.