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Finding the Fourth Proportional to 492,804.10, 739,230.45 and 256,608.10

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Solution

The fourth proportional to 492,804.10, 739,230.45 and 256,608.10 is: 384,924.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,804.10 : 739,230.45 = 256,608.10 : x
  2. Step 2: Convert to fraction form
    492,804.10/739,230.45 = 256,608.10/x
  3. Step 3: Cross multiply
    492,804.10x = 739,230.45 × 256,608.10
  4. Step 4: Simplify right side
    492,804.10x = 189,692,521,236.65
  5. Step 5: Solve for x
    x = 189,692,521,236.65/492,804.10
  6. Step 6: Final answer
    x = 384,924.80

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