Home / 744,812.20-1,115,906.10-610,967.80

Finding the Fourth Proportional to 744,812.20, 1,115,906.10 and 610,967.80

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Solution

The fourth proportional to 744,812.20, 1,115,906.10 and 610,967.80 is: 915,375.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,812.20 : 1,115,906.10 = 610,967.80 : x
  2. Step 2: Convert to fraction form
    744,812.20/1,115,906.10 = 610,967.80/x
  3. Step 3: Cross multiply
    744,812.20x = 1,115,906.10 × 610,967.80
  4. Step 4: Simplify right side
    744,812.20x = 681,782,694,923.58
  5. Step 5: Solve for x
    x = 681,782,694,923.58/744,812.20
  6. Step 6: Final answer
    x = 915,375.31

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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.