Home / 816,902.60-1,223,604.30-659,438.60

Finding the Fourth Proportional to 816,902.60, 1,223,604.30 and 659,438.60

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Solution

The fourth proportional to 816,902.60, 1,223,604.30 and 659,438.60 is: 987,745.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,902.60 : 1,223,604.30 = 659,438.60 : x
  2. Step 2: Convert to fraction form
    816,902.60/1,223,604.30 = 659,438.60/x
  3. Step 3: Cross multiply
    816,902.60x = 1,223,604.30 × 659,438.60
  4. Step 4: Simplify right side
    816,902.60x = 806,891,906,545.98
  5. Step 5: Solve for x
    x = 806,891,906,545.98/816,902.60
  6. Step 6: Final answer
    x = 987,745.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.