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Finding the Fourth Proportional to 455,528.71, 628,634.37 and 251,584.81

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Solution

The fourth proportional to 455,528.71, 628,634.37 and 251,584.81 is: 347,189.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,528.71 : 628,634.37 = 251,584.81 : x
  2. Step 2: Convert to fraction form
    455,528.71/628,634.37 = 251,584.81/x
  3. Step 3: Cross multiply
    455,528.71x = 628,634.37 × 251,584.81
  4. Step 4: Simplify right side
    455,528.71x = 158,154,858,260.65
  5. Step 5: Solve for x
    x = 158,154,858,260.65/455,528.71
  6. Step 6: Final answer
    x = 347,189.66

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