Home / 737,687.25-1,105,792.16-287,789.15

Finding the Fourth Proportional to 737,687.25, 1,105,792.16 and 287,789.15

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Solution

The fourth proportional to 737,687.25, 1,105,792.16 and 287,789.15 is: 431,395.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,687.25 : 1,105,792.16 = 287,789.15 : x
  2. Step 2: Convert to fraction form
    737,687.25/1,105,792.16 = 287,789.15/x
  3. Step 3: Cross multiply
    737,687.25x = 1,105,792.16 × 287,789.15
  4. Step 4: Simplify right side
    737,687.25x = 318,234,987,128.60
  5. Step 5: Solve for x
    x = 318,234,987,128.60/737,687.25
  6. Step 6: Final answer
    x = 431,395.54

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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.