Home / 888,735.20-1,333,102.79-489,170.30

Finding the Fourth Proportional to 888,735.20, 1,333,102.79 and 489,170.30

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Solution

The fourth proportional to 888,735.20, 1,333,102.79 and 489,170.30 is: 733,755.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,735.20 : 1,333,102.79 = 489,170.30 : x
  2. Step 2: Convert to fraction form
    888,735.20/1,333,102.79 = 489,170.30/x
  3. Step 3: Cross multiply
    888,735.20x = 1,333,102.79 × 489,170.30
  4. Step 4: Simplify right side
    888,735.20x = 652,114,286,272.55
  5. Step 5: Solve for x
    x = 652,114,286,272.55/888,735.20
  6. Step 6: Final answer
    x = 733,755.44

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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.