Home / 1,328.18-1,991.46-596.75

Finding the Fourth Proportional to 1,328.18, 1,991.46 and 596.75

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Solution

The fourth proportional to 1,328.18, 1,991.46 and 596.75 is: 894.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328.18 : 1,991.46 = 596.75 : x
  2. Step 2: Convert to fraction form
    1,328.18/1,991.46 = 596.75/x
  3. Step 3: Cross multiply
    1,328.18x = 1,991.46 × 596.75
  4. Step 4: Simplify right side
    1,328.18x = 1,188,403.76
  5. Step 5: Solve for x
    x = 1,188,403.76/1,328.18
  6. Step 6: Final answer
    x = 894.76

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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.