Home / 764,327.90-1,146,656.78-231,891.82

Finding the Fourth Proportional to 764,327.90, 1,146,656.78 and 231,891.82

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Solution

The fourth proportional to 764,327.90, 1,146,656.78 and 231,891.82 is: 347,887.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,327.90 : 1,146,656.78 = 231,891.82 : x
  2. Step 2: Convert to fraction form
    764,327.90/1,146,656.78 = 231,891.82/x
  3. Step 3: Cross multiply
    764,327.90x = 1,146,656.78 × 231,891.82
  4. Step 4: Simplify right side
    764,327.90x = 265,900,327,629.54
  5. Step 5: Solve for x
    x = 265,900,327,629.54/764,327.90
  6. Step 6: Final answer
    x = 347,887.77

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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.