Home / 901,918.62-1,244,632.77-494,016.66

Finding the Fourth Proportional to 901,918.62, 1,244,632.77 and 494,016.66

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Solution

The fourth proportional to 901,918.62, 1,244,632.77 and 494,016.66 is: 681,734.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,918.62 : 1,244,632.77 = 494,016.66 : x
  2. Step 2: Convert to fraction form
    901,918.62/1,244,632.77 = 494,016.66/x
  3. Step 3: Cross multiply
    901,918.62x = 1,244,632.77 × 494,016.66
  4. Step 4: Simplify right side
    901,918.62x = 614,869,323,961.95
  5. Step 5: Solve for x
    x = 614,869,323,961.95/901,918.62
  6. Step 6: Final answer
    x = 681,734.82

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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.