Home / 456,067.91-629,373.33-274,787.48

Finding the Fourth Proportional to 456,067.91, 629,373.33 and 274,787.48

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Solution

The fourth proportional to 456,067.91, 629,373.33 and 274,787.48 is: 379,206.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,067.91 : 629,373.33 = 274,787.48 : x
  2. Step 2: Convert to fraction form
    456,067.91/629,373.33 = 274,787.48/x
  3. Step 3: Cross multiply
    456,067.91x = 629,373.33 × 274,787.48
  4. Step 4: Simplify right side
    456,067.91x = 172,943,908,183.04
  5. Step 5: Solve for x
    x = 172,943,908,183.04/456,067.91
  6. Step 6: Final answer
    x = 379,206.49

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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.