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Finding the Fourth Proportional to 403,724.40, 605,586.60 and 245,871.60

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Solution

The fourth proportional to 403,724.40, 605,586.60 and 245,871.60 is: 368,807.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,724.40 : 605,586.60 = 245,871.60 : x
  2. Step 2: Convert to fraction form
    403,724.40/605,586.60 = 245,871.60/x
  3. Step 3: Cross multiply
    403,724.40x = 605,586.60 × 245,871.60
  4. Step 4: Simplify right side
    403,724.40x = 148,896,546,280.56
  5. Step 5: Solve for x
    x = 148,896,546,280.56/403,724.40
  6. Step 6: Final answer
    x = 368,807.40

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