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Finding the Fourth Proportional to 346,219.40, 519,329.10 and 329,112.20

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Solution

The fourth proportional to 346,219.40, 519,329.10 and 329,112.20 is: 493,668.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,219.40 : 519,329.10 = 329,112.20 : x
  2. Step 2: Convert to fraction form
    346,219.40/519,329.10 = 329,112.20/x
  3. Step 3: Cross multiply
    346,219.40x = 519,329.10 × 329,112.20
  4. Step 4: Simplify right side
    346,219.40x = 170,917,542,625.02
  5. Step 5: Solve for x
    x = 170,917,542,625.02/346,219.40
  6. Step 6: Final answer
    x = 493,668.30

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