Home / 764,281.40-1,146,276.30-231,819.80

Finding the Fourth Proportional to 764,281.40, 1,146,276.30 and 231,819.80

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Solution

The fourth proportional to 764,281.40, 1,146,276.30 and 231,819.80 is: 347,685.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,281.40 : 1,146,276.30 = 231,819.80 : x
  2. Step 2: Convert to fraction form
    764,281.40/1,146,276.30 = 231,819.80/x
  3. Step 3: Cross multiply
    764,281.40x = 1,146,276.30 × 231,819.80
  4. Step 4: Simplify right side
    764,281.40x = 265,729,542,610.74
  5. Step 5: Solve for x
    x = 265,729,542,610.74/764,281.40
  6. Step 6: Final answer
    x = 347,685.48

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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.