Home / 782,164.80-1,173,269.07-276,654.33

Finding the Fourth Proportional to 782,164.80, 1,173,269.07 and 276,654.33

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Solution

The fourth proportional to 782,164.80, 1,173,269.07 and 276,654.33 is: 414,989.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,164.80 : 1,173,269.07 = 276,654.33 : x
  2. Step 2: Convert to fraction form
    782,164.80/1,173,269.07 = 276,654.33/x
  3. Step 3: Cross multiply
    782,164.80x = 1,173,269.07 × 276,654.33
  4. Step 4: Simplify right side
    782,164.80x = 324,589,968,470.57
  5. Step 5: Solve for x
    x = 324,589,968,470.57/782,164.80
  6. Step 6: Final answer
    x = 414,989.23

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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.