Home / 1,176.13-1,764.20-482.68

Finding the Fourth Proportional to 1,176.13, 1,764.20 and 482.68

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Solution

The fourth proportional to 1,176.13, 1,764.20 and 482.68 is: 724.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176.13 : 1,764.20 = 482.68 : x
  2. Step 2: Convert to fraction form
    1,176.13/1,764.20 = 482.68/x
  3. Step 3: Cross multiply
    1,176.13x = 1,764.20 × 482.68
  4. Step 4: Simplify right side
    1,176.13x = 851,537.23
  5. Step 5: Solve for x
    x = 851,537.23/1,176.13
  6. Step 6: Final answer
    x = 724.02

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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.