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Finding the Fourth Proportional to 364,553.40, 547,866.90 and 318,934.20

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Solution

The fourth proportional to 364,553.40, 547,866.90 and 318,934.20 is: 479,308.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,553.40 : 547,866.90 = 318,934.20 : x
  2. Step 2: Convert to fraction form
    364,553.40/547,866.90 = 318,934.20/x
  3. Step 3: Cross multiply
    364,553.40x = 547,866.90 × 318,934.20
  4. Step 4: Simplify right side
    364,553.40x = 174,733,491,457.98
  5. Step 5: Solve for x
    x = 174,733,491,457.98/364,553.40
  6. Step 6: Final answer
    x = 479,308.36

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