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Finding the Fourth Proportional to 664,451.40, 996,677.10 and 243,672.60

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Solution

The fourth proportional to 664,451.40, 996,677.10 and 243,672.60 is: 365,508.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,451.40 : 996,677.10 = 243,672.60 : x
  2. Step 2: Convert to fraction form
    664,451.40/996,677.10 = 243,672.60/x
  3. Step 3: Cross multiply
    664,451.40x = 996,677.10 × 243,672.60
  4. Step 4: Simplify right side
    664,451.40x = 242,862,900,317.46
  5. Step 5: Solve for x
    x = 242,862,900,317.46/664,451.40
  6. Step 6: Final answer
    x = 365,508.90

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