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Finding the Fourth Proportional to 403,368.40, 605,052.60 and 384,997.60

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Solution

The fourth proportional to 403,368.40, 605,052.60 and 384,997.60 is: 577,496.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,368.40 : 605,052.60 = 384,997.60 : x
  2. Step 2: Convert to fraction form
    403,368.40/605,052.60 = 384,997.60/x
  3. Step 3: Cross multiply
    403,368.40x = 605,052.60 × 384,997.60
  4. Step 4: Simplify right side
    403,368.40x = 232,943,798,873.76
  5. Step 5: Solve for x
    x = 232,943,798,873.76/403,368.40
  6. Step 6: Final answer
    x = 577,496.40

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