Home / 1,049.04-1,447.88-629.73

Finding the Fourth Proportional to 1,049.04, 1,447.88 and 629.73

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Solution

The fourth proportional to 1,049.04, 1,447.88 and 629.73 is: 869.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049.04 : 1,447.88 = 629.73 : x
  2. Step 2: Convert to fraction form
    1,049.04/1,447.88 = 629.73/x
  3. Step 3: Cross multiply
    1,049.04x = 1,447.88 × 629.73
  4. Step 4: Simplify right side
    1,049.04x = 911,770.32
  5. Step 5: Solve for x
    x = 911,770.32/1,049.04
  6. Step 6: Final answer
    x = 869.15

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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.