Home / 1,049.18-1,447.97-607.05

Finding the Fourth Proportional to 1,049.18, 1,447.97 and 607.05

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Solution

The fourth proportional to 1,049.18, 1,447.97 and 607.05 is: 837.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049.18 : 1,447.97 = 607.05 : x
  2. Step 2: Convert to fraction form
    1,049.18/1,447.97 = 607.05/x
  3. Step 3: Cross multiply
    1,049.18x = 1,447.97 × 607.05
  4. Step 4: Simplify right side
    1,049.18x = 878,987.15
  5. Step 5: Solve for x
    x = 878,987.15/1,049.18
  6. Step 6: Final answer
    x = 837.79

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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.