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Finding the Fourth Proportional to 464,732.51, 640,818.60 and 321,243.44

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Solution

The fourth proportional to 464,732.51, 640,818.60 and 321,243.44 is: 442,961.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,732.51 : 640,818.60 = 321,243.44 : x
  2. Step 2: Convert to fraction form
    464,732.51/640,818.60 = 321,243.44/x
  3. Step 3: Cross multiply
    464,732.51x = 640,818.60 × 321,243.44
  4. Step 4: Simplify right side
    464,732.51x = 205,858,767,071.23
  5. Step 5: Solve for x
    x = 205,858,767,071.23/464,732.51
  6. Step 6: Final answer
    x = 442,961.84

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