Home / 755,255.97-1,042,131.29-432,906.75

Finding the Fourth Proportional to 755,255.97, 1,042,131.29 and 432,906.75

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Solution

The fourth proportional to 755,255.97, 1,042,131.29 and 432,906.75 is: 597,341.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,255.97 : 1,042,131.29 = 432,906.75 : x
  2. Step 2: Convert to fraction form
    755,255.97/1,042,131.29 = 432,906.75/x
  3. Step 3: Cross multiply
    755,255.97x = 1,042,131.29 × 432,906.75
  4. Step 4: Simplify right side
    755,255.97x = 451,145,667,662.67
  5. Step 5: Solve for x
    x = 451,145,667,662.67/755,255.97
  6. Step 6: Final answer
    x = 597,341.41

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Double scale
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1.5x scale

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.