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Finding the Fourth Proportional to 702,043.52, 1,053,065.28 and 328,328.96

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Solution

The fourth proportional to 702,043.52, 1,053,065.28 and 328,328.96 is: 492,493.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,043.52 : 1,053,065.28 = 328,328.96 : x
  2. Step 2: Convert to fraction form
    702,043.52/1,053,065.28 = 328,328.96/x
  3. Step 3: Cross multiply
    702,043.52x = 1,053,065.28 × 328,328.96
  4. Step 4: Simplify right side
    702,043.52x = 345,751,828,194.51
  5. Step 5: Solve for x
    x = 345,751,828,194.51/702,043.52
  6. Step 6: Final answer
    x = 492,493.44

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