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Finding the Fourth Proportional to 759.96, 1,140.33 and 746.37

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Solution

The fourth proportional to 759.96, 1,140.33 and 746.37 is: 1,119.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    759.96 : 1,140.33 = 746.37 : x
  2. Step 2: Convert to fraction form
    759.96/1,140.33 = 746.37/x
  3. Step 3: Cross multiply
    759.96x = 1,140.33 × 746.37
  4. Step 4: Simplify right side
    759.96x = 851,108.10
  5. Step 5: Solve for x
    x = 851,108.10/759.96
  6. Step 6: Final answer
    x = 1,119.94

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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.