Home / 705,761.25-1,058,046.71-306,100.97

Finding the Fourth Proportional to 705,761.25, 1,058,046.71 and 306,100.97

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Solution

The fourth proportional to 705,761.25, 1,058,046.71 and 306,100.97 is: 458,893.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,761.25 : 1,058,046.71 = 306,100.97 : x
  2. Step 2: Convert to fraction form
    705,761.25/1,058,046.71 = 306,100.97/x
  3. Step 3: Cross multiply
    705,761.25x = 1,058,046.71 × 306,100.97
  4. Step 4: Simplify right side
    705,761.25x = 323,869,121,383.25
  5. Step 5: Solve for x
    x = 323,869,121,383.25/705,761.25
  6. Step 6: Final answer
    x = 458,893.32

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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.