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Finding the Fourth Proportional to 352,019.80, 528,029.70 and 331,283.80

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Solution

The fourth proportional to 352,019.80, 528,029.70 and 331,283.80 is: 496,925.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,019.80 : 528,029.70 = 331,283.80 : x
  2. Step 2: Convert to fraction form
    352,019.80/528,029.70 = 331,283.80/x
  3. Step 3: Cross multiply
    352,019.80x = 528,029.70 × 331,283.80
  4. Step 4: Simplify right side
    352,019.80x = 174,927,685,528.86
  5. Step 5: Solve for x
    x = 174,927,685,528.86/352,019.80
  6. Step 6: Final answer
    x = 496,925.70

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