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Finding the Fourth Proportional to 517,343.04, 713,926.08 and 290,988

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Solution

The fourth proportional to 517,343.04, 713,926.08 and 290,988 is: 401,559.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,343.04 : 713,926.08 = 290,988 : x
  2. Step 2: Convert to fraction form
    517,343.04/713,926.08 = 290,988/x
  3. Step 3: Cross multiply
    517,343.04x = 713,926.08 × 290,988
  4. Step 4: Simplify right side
    517,343.04x = 207,743,922,167.04
  5. Step 5: Solve for x
    x = 207,743,922,167.04/517,343.04
  6. Step 6: Final answer
    x = 401,559.33

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