Home / 764,412.56-1,146,621.28-231,938

Finding the Fourth Proportional to 764,412.56, 1,146,621.28 and 231,938

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Solution

The fourth proportional to 764,412.56, 1,146,621.28 and 231,938 is: 347,907.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,412.56 : 1,146,621.28 = 231,938 : x
  2. Step 2: Convert to fraction form
    764,412.56/1,146,621.28 = 231,938/x
  3. Step 3: Cross multiply
    764,412.56x = 1,146,621.28 × 231,938
  4. Step 4: Simplify right side
    764,412.56x = 265,945,046,440.64
  5. Step 5: Solve for x
    x = 265,945,046,440.64/764,412.56
  6. Step 6: Final answer
    x = 347,907.74

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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.