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Finding the Fourth Proportional to 515,981.97, 712,392.35 and 335,209.11

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Solution

The fourth proportional to 515,981.97, 712,392.35 and 335,209.11 is: 462,807.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,981.97 : 712,392.35 = 335,209.11 : x
  2. Step 2: Convert to fraction form
    515,981.97/712,392.35 = 335,209.11/x
  3. Step 3: Cross multiply
    515,981.97x = 712,392.35 × 335,209.11
  4. Step 4: Simplify right side
    515,981.97x = 238,800,403,938.26
  5. Step 5: Solve for x
    x = 238,800,403,938.26/515,981.97
  6. Step 6: Final answer
    x = 462,807.65

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