Home / 454,414.09-627,054.57-263,439.78

Finding the Fourth Proportional to 454,414.09, 627,054.57 and 263,439.78

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Solution

The fourth proportional to 454,414.09, 627,054.57 and 263,439.78 is: 363,525.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,414.09 : 627,054.57 = 263,439.78 : x
  2. Step 2: Convert to fraction form
    454,414.09/627,054.57 = 263,439.78/x
  3. Step 3: Cross multiply
    454,414.09x = 627,054.57 × 263,439.78
  4. Step 4: Simplify right side
    454,414.09x = 165,191,117,968.80
  5. Step 5: Solve for x
    x = 165,191,117,968.80/454,414.09
  6. Step 6: Final answer
    x = 363,525.52

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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.