Home / 764,896.80-1,147,345.20-682,228.20

Finding the Fourth Proportional to 764,896.80, 1,147,345.20 and 682,228.20

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Solution

The fourth proportional to 764,896.80, 1,147,345.20 and 682,228.20 is: 1,023,342.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,896.80 : 1,147,345.20 = 682,228.20 : x
  2. Step 2: Convert to fraction form
    764,896.80/1,147,345.20 = 682,228.20/x
  3. Step 3: Cross multiply
    764,896.80x = 1,147,345.20 × 682,228.20
  4. Step 4: Simplify right side
    764,896.80x = 782,751,250,574.64
  5. Step 5: Solve for x
    x = 782,751,250,574.64/764,896.80
  6. Step 6: Final answer
    x = 1,023,342.30

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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.