Home / 767,164.20-1,151,135-511,171.76

Finding the Fourth Proportional to 767,164.20, 1,151,135 and 511,171.76

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Solution

The fourth proportional to 767,164.20, 1,151,135 and 511,171.76 is: 767,016.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,164.20 : 1,151,135 = 511,171.76 : x
  2. Step 2: Convert to fraction form
    767,164.20/1,151,135 = 511,171.76/x
  3. Step 3: Cross multiply
    767,164.20x = 1,151,135 × 511,171.76
  4. Step 4: Simplify right side
    767,164.20x = 588,427,703,947.60
  5. Step 5: Solve for x
    x = 588,427,703,947.60/767,164.20
  6. Step 6: Final answer
    x = 767,016.64

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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.