Home / 790,195.97-1,090,470.41-427,619.79

Finding the Fourth Proportional to 790,195.97, 1,090,470.41 and 427,619.79

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Solution

The fourth proportional to 790,195.97, 1,090,470.41 and 427,619.79 is: 590,115.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,195.97 : 1,090,470.41 = 427,619.79 : x
  2. Step 2: Convert to fraction form
    790,195.97/1,090,470.41 = 427,619.79/x
  3. Step 3: Cross multiply
    790,195.97x = 1,090,470.41 × 427,619.79
  4. Step 4: Simplify right side
    790,195.97x = 466,306,725,587.32
  5. Step 5: Solve for x
    x = 466,306,725,587.32/790,195.97
  6. Step 6: Final answer
    x = 590,115.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.