Home / 722,708.10-1,084,062.15-368,414.10

Finding the Fourth Proportional to 722,708.10, 1,084,062.15 and 368,414.10

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Solution

The fourth proportional to 722,708.10, 1,084,062.15 and 368,414.10 is: 552,621.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,708.10 : 1,084,062.15 = 368,414.10 : x
  2. Step 2: Convert to fraction form
    722,708.10/1,084,062.15 = 368,414.10/x
  3. Step 3: Cross multiply
    722,708.10x = 1,084,062.15 × 368,414.10
  4. Step 4: Simplify right side
    722,708.10x = 399,383,781,336.32
  5. Step 5: Solve for x
    x = 399,383,781,336.32/722,708.10
  6. Step 6: Final answer
    x = 552,621.15

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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.