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Finding the Fourth Proportional to 355,939.40, 533,909.10 and 335,664.20

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Solution

The fourth proportional to 355,939.40, 533,909.10 and 335,664.20 is: 503,496.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,939.40 : 533,909.10 = 335,664.20 : x
  2. Step 2: Convert to fraction form
    355,939.40/533,909.10 = 335,664.20/x
  3. Step 3: Cross multiply
    355,939.40x = 533,909.10 × 335,664.20
  4. Step 4: Simplify right side
    355,939.40x = 179,214,170,924.22
  5. Step 5: Solve for x
    x = 179,214,170,924.22/355,939.40
  6. Step 6: Final answer
    x = 503,496.30

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