Home / 764,688.20-1,147,032.30-266,052.20

Finding the Fourth Proportional to 764,688.20, 1,147,032.30 and 266,052.20

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Solution

The fourth proportional to 764,688.20, 1,147,032.30 and 266,052.20 is: 399,078.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,688.20 : 1,147,032.30 = 266,052.20 : x
  2. Step 2: Convert to fraction form
    764,688.20/1,147,032.30 = 266,052.20/x
  3. Step 3: Cross multiply
    764,688.20x = 1,147,032.30 × 266,052.20
  4. Step 4: Simplify right side
    764,688.20x = 305,170,466,886.06
  5. Step 5: Solve for x
    x = 305,170,466,886.06/764,688.20
  6. Step 6: Final answer
    x = 399,078.30

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