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Finding the Fourth Proportional to 404,633.60, 606,950.40 and 255,042.80

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Solution

The fourth proportional to 404,633.60, 606,950.40 and 255,042.80 is: 382,564.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,633.60 : 606,950.40 = 255,042.80 : x
  2. Step 2: Convert to fraction form
    404,633.60/606,950.40 = 255,042.80/x
  3. Step 3: Cross multiply
    404,633.60x = 606,950.40 × 255,042.80
  4. Step 4: Simplify right side
    404,633.60x = 154,798,329,477.12
  5. Step 5: Solve for x
    x = 154,798,329,477.12/404,633.60
  6. Step 6: Final answer
    x = 382,564.20

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