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Finding the Fourth Proportional to 355,090.20, 532,635.30 and 322,949.40

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Solution

The fourth proportional to 355,090.20, 532,635.30 and 322,949.40 is: 484,424.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,090.20 : 532,635.30 = 322,949.40 : x
  2. Step 2: Convert to fraction form
    355,090.20/532,635.30 = 322,949.40/x
  3. Step 3: Cross multiply
    355,090.20x = 532,635.30 × 322,949.40
  4. Step 4: Simplify right side
    355,090.20x = 172,014,250,553.82
  5. Step 5: Solve for x
    x = 172,014,250,553.82/355,090.20
  6. Step 6: Final answer
    x = 484,424.10

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