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Finding the Fourth Proportional to 531,951.24, 734,066.88 and 290,219.40

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Solution

The fourth proportional to 531,951.24, 734,066.88 and 290,219.40 is: 400,488.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,951.24 : 734,066.88 = 290,219.40 : x
  2. Step 2: Convert to fraction form
    531,951.24/734,066.88 = 290,219.40/x
  3. Step 3: Cross multiply
    531,951.24x = 734,066.88 × 290,219.40
  4. Step 4: Simplify right side
    531,951.24x = 213,040,449,473.47
  5. Step 5: Solve for x
    x = 213,040,449,473.47/531,951.24
  6. Step 6: Final answer
    x = 400,488.68

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