Home / 729,114.60-1,092,894.30-279,661.80

Finding the Fourth Proportional to 729,114.60, 1,092,894.30 and 279,661.80

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Solution

The fourth proportional to 729,114.60, 1,092,894.30 and 279,661.80 is: 419,194.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,114.60 : 1,092,894.30 = 279,661.80 : x
  2. Step 2: Convert to fraction form
    729,114.60/1,092,894.30 = 279,661.80/x
  3. Step 3: Cross multiply
    729,114.60x = 1,092,894.30 × 279,661.80
  4. Step 4: Simplify right side
    729,114.60x = 305,640,787,147.74
  5. Step 5: Solve for x
    x = 305,640,787,147.74/729,114.60
  6. Step 6: Final answer
    x = 419,194.44

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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.