Home / 1,177.15-1,764.20-483.03

Finding the Fourth Proportional to 1,177.15, 1,764.20 and 483.03

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Solution

The fourth proportional to 1,177.15, 1,764.20 and 483.03 is: 723.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177.15 : 1,764.20 = 483.03 : x
  2. Step 2: Convert to fraction form
    1,177.15/1,764.20 = 483.03/x
  3. Step 3: Cross multiply
    1,177.15x = 1,764.20 × 483.03
  4. Step 4: Simplify right side
    1,177.15x = 852,160.02
  5. Step 5: Solve for x
    x = 852,160.02/1,177.15
  6. Step 6: Final answer
    x = 723.92

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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.