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Finding the Fourth Proportional to 347,716.40, 521,574.60 and 268,984.40

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Solution

The fourth proportional to 347,716.40, 521,574.60 and 268,984.40 is: 403,476.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,716.40 : 521,574.60 = 268,984.40 : x
  2. Step 2: Convert to fraction form
    347,716.40/521,574.60 = 268,984.40/x
  3. Step 3: Cross multiply
    347,716.40x = 521,574.60 × 268,984.40
  4. Step 4: Simplify right side
    347,716.40x = 140,295,430,836.24
  5. Step 5: Solve for x
    x = 140,295,430,836.24/347,716.40
  6. Step 6: Final answer
    x = 403,476.60

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