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Finding the Fourth Proportional to 379,702.42, 523,999.83 and 209,942.62

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Solution

The fourth proportional to 379,702.42, 523,999.83 and 209,942.62 is: 289,726.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,702.42 : 523,999.83 = 209,942.62 : x
  2. Step 2: Convert to fraction form
    379,702.42/523,999.83 = 209,942.62/x
  3. Step 3: Cross multiply
    379,702.42x = 523,999.83 × 209,942.62
  4. Step 4: Simplify right side
    379,702.42x = 110,009,896,667.04
  5. Step 5: Solve for x
    x = 110,009,896,667.04/379,702.42
  6. Step 6: Final answer
    x = 289,726.62

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