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Finding the Fourth Proportional to 384,529.28, 576,792.09 and 213,670.52

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Solution

The fourth proportional to 384,529.28, 576,792.09 and 213,670.52 is: 320,504.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,529.28 : 576,792.09 = 213,670.52 : x
  2. Step 2: Convert to fraction form
    384,529.28/576,792.09 = 213,670.52/x
  3. Step 3: Cross multiply
    384,529.28x = 576,792.09 × 213,670.52
  4. Step 4: Simplify right side
    384,529.28x = 123,243,465,802.19
  5. Step 5: Solve for x
    x = 123,243,465,802.19/384,529.28
  6. Step 6: Final answer
    x = 320,504.76

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