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Finding the Fourth Proportional to 606,514.32, 909,759 and 269,463.60

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Solution

The fourth proportional to 606,514.32, 909,759 and 269,463.60 is: 404,189.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,514.32 : 909,759 = 269,463.60 : x
  2. Step 2: Convert to fraction form
    606,514.32/909,759 = 269,463.60/x
  3. Step 3: Cross multiply
    606,514.32x = 909,759 × 269,463.60
  4. Step 4: Simplify right side
    606,514.32x = 245,146,935,272.40
  5. Step 5: Solve for x
    x = 245,146,935,272.40/606,514.32
  6. Step 6: Final answer
    x = 404,189.86

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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.