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Finding the Fourth Proportional to 1,044.50, 1,441.40 and 750.06

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Solution

The fourth proportional to 1,044.50, 1,441.40 and 750.06 is: 1,035.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.50 : 1,441.40 = 750.06 : x
  2. Step 2: Convert to fraction form
    1,044.50/1,441.40 = 750.06/x
  3. Step 3: Cross multiply
    1,044.50x = 1,441.40 × 750.06
  4. Step 4: Simplify right side
    1,044.50x = 1,081,132.73
  5. Step 5: Solve for x
    x = 1,081,132.73/1,044.50
  6. Step 6: Final answer
    x = 1,035.08

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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.