Home / 1,177.44-1,766.15-650.32

Finding the Fourth Proportional to 1,177.44, 1,766.15 and 650.32

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Solution

The fourth proportional to 1,177.44, 1,766.15 and 650.32 is: 975.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177.44 : 1,766.15 = 650.32 : x
  2. Step 2: Convert to fraction form
    1,177.44/1,766.15 = 650.32/x
  3. Step 3: Cross multiply
    1,177.44x = 1,766.15 × 650.32
  4. Step 4: Simplify right side
    1,177.44x = 1,148,562.67
  5. Step 5: Solve for x
    x = 1,148,562.67/1,177.44
  6. Step 6: Final answer
    x = 975.47

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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.