Home / 782,165.80-1,173,270.57-276,655.33

Finding the Fourth Proportional to 782,165.80, 1,173,270.57 and 276,655.33

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Solution

The fourth proportional to 782,165.80, 1,173,270.57 and 276,655.33 is: 414,990.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,165.80 : 1,173,270.57 = 276,655.33 : x
  2. Step 2: Convert to fraction form
    782,165.80/1,173,270.57 = 276,655.33/x
  3. Step 3: Cross multiply
    782,165.80x = 1,173,270.57 × 276,655.33
  4. Step 4: Simplify right side
    782,165.80x = 324,591,556,722.64
  5. Step 5: Solve for x
    x = 324,591,556,722.64/782,165.80
  6. Step 6: Final answer
    x = 414,990.73

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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.