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Finding the Fourth Proportional to 543.06, 815.04 and 523.62

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Solution

The fourth proportional to 543.06, 815.04 and 523.62 is: 785.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    543.06 : 815.04 = 523.62 : x
  2. Step 2: Convert to fraction form
    543.06/815.04 = 523.62/x
  3. Step 3: Cross multiply
    543.06x = 815.04 × 523.62
  4. Step 4: Simplify right side
    543.06x = 426,771.24
  5. Step 5: Solve for x
    x = 426,771.24/543.06
  6. Step 6: Final answer
    x = 785.86

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