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Finding the Fourth Proportional to 606,498.27, 909,734.99 and 269,447.55

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Solution

The fourth proportional to 606,498.27, 909,734.99 and 269,447.55 is: 404,165.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,498.27 : 909,734.99 = 269,447.55 : x
  2. Step 2: Convert to fraction form
    606,498.27/909,734.99 = 269,447.55/x
  3. Step 3: Cross multiply
    606,498.27x = 909,734.99 × 269,447.55
  4. Step 4: Simplify right side
    606,498.27x = 245,125,862,857.54
  5. Step 5: Solve for x
    x = 245,125,862,857.54/606,498.27
  6. Step 6: Final answer
    x = 404,165.81

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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.