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Finding the Fourth Proportional to 400,830.60, 601,245.90 and 364,672.20

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Solution

The fourth proportional to 400,830.60, 601,245.90 and 364,672.20 is: 547,008.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,830.60 : 601,245.90 = 364,672.20 : x
  2. Step 2: Convert to fraction form
    400,830.60/601,245.90 = 364,672.20/x
  3. Step 3: Cross multiply
    400,830.60x = 601,245.90 × 364,672.20
  4. Step 4: Simplify right side
    400,830.60x = 219,257,665,093.98
  5. Step 5: Solve for x
    x = 219,257,665,093.98/400,830.60
  6. Step 6: Final answer
    x = 547,008.30

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