Home / 809,462.56-1,212,864.66-276,692.80

Finding the Fourth Proportional to 809,462.56, 1,212,864.66 and 276,692.80

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Solution

The fourth proportional to 809,462.56, 1,212,864.66 and 276,692.80 is: 414,584.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,462.56 : 1,212,864.66 = 276,692.80 : x
  2. Step 2: Convert to fraction form
    809,462.56/1,212,864.66 = 276,692.80/x
  3. Step 3: Cross multiply
    809,462.56x = 1,212,864.66 × 276,692.80
  4. Step 4: Simplify right side
    809,462.56x = 335,590,918,796.45
  5. Step 5: Solve for x
    x = 335,590,918,796.45/809,462.56
  6. Step 6: Final answer
    x = 414,584.86

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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.