Home / 752,839.72-1,129,241.05-184,216.28

Finding the Fourth Proportional to 752,839.72, 1,129,241.05 and 184,216.28

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Solution

The fourth proportional to 752,839.72, 1,129,241.05 and 184,216.28 is: 276,319.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,839.72 : 1,129,241.05 = 184,216.28 : x
  2. Step 2: Convert to fraction form
    752,839.72/1,129,241.05 = 184,216.28/x
  3. Step 3: Cross multiply
    752,839.72x = 1,129,241.05 × 184,216.28
  4. Step 4: Simplify right side
    752,839.72x = 208,024,579,347.55
  5. Step 5: Solve for x
    x = 208,024,579,347.55/752,839.72
  6. Step 6: Final answer
    x = 276,319.88

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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.