Home / 1,044.12-1,441.35-730.43

Finding the Fourth Proportional to 1,044.12, 1,441.35 and 730.43

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Solution

The fourth proportional to 1,044.12, 1,441.35 and 730.43 is: 1,008.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.12 : 1,441.35 = 730.43 : x
  2. Step 2: Convert to fraction form
    1,044.12/1,441.35 = 730.43/x
  3. Step 3: Cross multiply
    1,044.12x = 1,441.35 × 730.43
  4. Step 4: Simplify right side
    1,044.12x = 1,052,805.28
  5. Step 5: Solve for x
    x = 1,052,805.28/1,044.12
  6. Step 6: Final answer
    x = 1,008.32

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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.