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Finding the Fourth Proportional to 1,035.39, 1,550.03 and 794.73

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Solution

The fourth proportional to 1,035.39, 1,550.03 and 794.73 is: 1,189.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035.39 : 1,550.03 = 794.73 : x
  2. Step 2: Convert to fraction form
    1,035.39/1,550.03 = 794.73/x
  3. Step 3: Cross multiply
    1,035.39x = 1,550.03 × 794.73
  4. Step 4: Simplify right side
    1,035.39x = 1,231,851.37
  5. Step 5: Solve for x
    x = 1,231,851.37/1,035.39
  6. Step 6: Final answer
    x = 1,189.75

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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.