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Finding the Fourth Proportional to 510,791.09, 765,660.92 and 226,615.47

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Solution

The fourth proportional to 510,791.09, 765,660.92 and 226,615.47 is: 339,689.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,791.09 : 765,660.92 = 226,615.47 : x
  2. Step 2: Convert to fraction form
    510,791.09/765,660.92 = 226,615.47/x
  3. Step 3: Cross multiply
    510,791.09x = 765,660.92 × 226,615.47
  4. Step 4: Simplify right side
    510,791.09x = 173,510,609,246.43
  5. Step 5: Solve for x
    x = 173,510,609,246.43/510,791.09
  6. Step 6: Final answer
    x = 339,689.97

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1.5x scale

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.