Home / 781,149.51-1,171,481.97-275,592.27

Finding the Fourth Proportional to 781,149.51, 1,171,481.97 and 275,592.27

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Solution

The fourth proportional to 781,149.51, 1,171,481.97 and 275,592.27 is: 413,302.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,149.51 : 1,171,481.97 = 275,592.27 : x
  2. Step 2: Convert to fraction form
    781,149.51/1,171,481.97 = 275,592.27/x
  3. Step 3: Cross multiply
    781,149.51x = 1,171,481.97 × 275,592.27
  4. Step 4: Simplify right side
    781,149.51x = 322,851,372,008.74
  5. Step 5: Solve for x
    x = 322,851,372,008.74/781,149.51
  6. Step 6: Final answer
    x = 413,302.92

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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.