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Finding the Fourth Proportional to 401,651.46, 554,201.60 and 258,392.03

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Solution

The fourth proportional to 401,651.46, 554,201.60 and 258,392.03 is: 356,531.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,651.46 : 554,201.60 = 258,392.03 : x
  2. Step 2: Convert to fraction form
    401,651.46/554,201.60 = 258,392.03/x
  3. Step 3: Cross multiply
    401,651.46x = 554,201.60 × 258,392.03
  4. Step 4: Simplify right side
    401,651.46x = 143,201,272,390.28
  5. Step 5: Solve for x
    x = 143,201,272,390.28/401,651.46
  6. Step 6: Final answer
    x = 356,531.19

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