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Finding the Fourth Proportional to 476,192.67, 657,143.82 and 261,336.21

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Solution

The fourth proportional to 476,192.67, 657,143.82 and 261,336.21 is: 360,642.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,192.67 : 657,143.82 = 261,336.21 : x
  2. Step 2: Convert to fraction form
    476,192.67/657,143.82 = 261,336.21/x
  3. Step 3: Cross multiply
    476,192.67x = 657,143.82 × 261,336.21
  4. Step 4: Simplify right side
    476,192.67x = 171,735,475,343.72
  5. Step 5: Solve for x
    x = 171,735,475,343.72/476,192.67
  6. Step 6: Final answer
    x = 360,642.84

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