Home / 764,886.80-1,147,330.20-682,218.20

Finding the Fourth Proportional to 764,886.80, 1,147,330.20 and 682,218.20

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Solution

The fourth proportional to 764,886.80, 1,147,330.20 and 682,218.20 is: 1,023,327.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,886.80 : 1,147,330.20 = 682,218.20 : x
  2. Step 2: Convert to fraction form
    764,886.80/1,147,330.20 = 682,218.20/x
  3. Step 3: Cross multiply
    764,886.80x = 1,147,330.20 × 682,218.20
  4. Step 4: Simplify right side
    764,886.80x = 782,729,543,849.64
  5. Step 5: Solve for x
    x = 782,729,543,849.64/764,886.80
  6. Step 6: Final answer
    x = 1,023,327.30

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Double scale
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Similar ratio
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1.5x scale

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.