Home / 1,176.12-1,763.57-517.73

Finding the Fourth Proportional to 1,176.12, 1,763.57 and 517.73

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Solution

The fourth proportional to 1,176.12, 1,763.57 and 517.73 is: 776.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176.12 : 1,763.57 = 517.73 : x
  2. Step 2: Convert to fraction form
    1,176.12/1,763.57 = 517.73/x
  3. Step 3: Cross multiply
    1,176.12x = 1,763.57 × 517.73
  4. Step 4: Simplify right side
    1,176.12x = 913,045.57
  5. Step 5: Solve for x
    x = 913,045.57/1,176.12
  6. Step 6: Final answer
    x = 776.32

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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.