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Finding the Fourth Proportional to 403,363.40, 605,045.10 and 348,067.40

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Solution

The fourth proportional to 403,363.40, 605,045.10 and 348,067.40 is: 522,101.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,363.40 : 605,045.10 = 348,067.40 : x
  2. Step 2: Convert to fraction form
    403,363.40/605,045.10 = 348,067.40/x
  3. Step 3: Cross multiply
    403,363.40x = 605,045.10 × 348,067.40
  4. Step 4: Simplify right side
    403,363.40x = 210,596,474,839.74
  5. Step 5: Solve for x
    x = 210,596,474,839.74/403,363.40
  6. Step 6: Final answer
    x = 522,101.10

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