Home / 469,414.05-647,791.56-254,554.06

Finding the Fourth Proportional to 469,414.05, 647,791.56 and 254,554.06

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Solution

The fourth proportional to 469,414.05, 647,791.56 and 254,554.06 is: 351,284.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,414.05 : 647,791.56 = 254,554.06 : x
  2. Step 2: Convert to fraction form
    469,414.05/647,791.56 = 254,554.06/x
  3. Step 3: Cross multiply
    469,414.05x = 647,791.56 × 254,554.06
  4. Step 4: Simplify right side
    469,414.05x = 164,897,967,957.04
  5. Step 5: Solve for x
    x = 164,897,967,957.04/469,414.05
  6. Step 6: Final answer
    x = 351,284.69

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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.