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Finding the Fourth Proportional to 403,340.40, 605,010.60 and 348,044.40

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Solution

The fourth proportional to 403,340.40, 605,010.60 and 348,044.40 is: 522,066.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,340.40 : 605,010.60 = 348,044.40 : x
  2. Step 2: Convert to fraction form
    403,340.40/605,010.60 = 348,044.40/x
  3. Step 3: Cross multiply
    403,340.40x = 605,010.60 × 348,044.40
  4. Step 4: Simplify right side
    403,340.40x = 210,570,551,270.64
  5. Step 5: Solve for x
    x = 210,570,551,270.64/403,340.40
  6. Step 6: Final answer
    x = 522,066.60

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