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Finding the Fourth Proportional to 482,407.09, 665,109.97 and 344,750.43

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Solution

The fourth proportional to 482,407.09, 665,109.97 and 344,750.43 is: 475,318.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,407.09 : 665,109.97 = 344,750.43 : x
  2. Step 2: Convert to fraction form
    482,407.09/665,109.97 = 344,750.43/x
  3. Step 3: Cross multiply
    482,407.09x = 665,109.97 × 344,750.43
  4. Step 4: Simplify right side
    482,407.09x = 229,296,948,154.79
  5. Step 5: Solve for x
    x = 229,296,948,154.79/482,407.09
  6. Step 6: Final answer
    x = 475,318.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.