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Finding the Fourth Proportional to 606,079.13, 909,123.24 and 269,029.17

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Solution

The fourth proportional to 606,079.13, 909,123.24 and 269,029.17 is: 403,545.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,079.13 : 909,123.24 = 269,029.17 : x
  2. Step 2: Convert to fraction form
    606,079.13/909,123.24 = 269,029.17/x
  3. Step 3: Cross multiply
    606,079.13x = 909,123.24 × 269,029.17
  4. Step 4: Simplify right side
    606,079.13x = 244,580,671,693.77
  5. Step 5: Solve for x
    x = 244,580,671,693.77/606,079.13
  6. Step 6: Final answer
    x = 403,545.78

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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.