Home / 1,029.11-1,539.41-844.43

Finding the Fourth Proportional to 1,029.11, 1,539.41 and 844.43

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Solution

The fourth proportional to 1,029.11, 1,539.41 and 844.43 is: 1,263.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029.11 : 1,539.41 = 844.43 : x
  2. Step 2: Convert to fraction form
    1,029.11/1,539.41 = 844.43/x
  3. Step 3: Cross multiply
    1,029.11x = 1,539.41 × 844.43
  4. Step 4: Simplify right side
    1,029.11x = 1,299,912.07
  5. Step 5: Solve for x
    x = 1,299,912.07/1,029.11
  6. Step 6: Final answer
    x = 1,263.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.