Home / 851,375.97-1,277,195.18-290,279.25

Finding the Fourth Proportional to 851,375.97, 1,277,195.18 and 290,279.25

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Solution

The fourth proportional to 851,375.97, 1,277,195.18 and 290,279.25 is: 435,463.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,375.97 : 1,277,195.18 = 290,279.25 : x
  2. Step 2: Convert to fraction form
    851,375.97/1,277,195.18 = 290,279.25/x
  3. Step 3: Cross multiply
    851,375.97x = 1,277,195.18 × 290,279.25
  4. Step 4: Simplify right side
    851,375.97x = 370,743,257,502.62
  5. Step 5: Solve for x
    x = 370,743,257,502.62/851,375.97
  6. Step 6: Final answer
    x = 435,463.61

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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.