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Finding the Fourth Proportional to 479,553.61, 661,800.00 and 261,775.19

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Solution

The fourth proportional to 479,553.61, 661,800.00 and 261,775.19 is: 361,258.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,553.61 : 661,800.00 = 261,775.19 : x
  2. Step 2: Convert to fraction form
    479,553.61/661,800.00 = 261,775.19/x
  3. Step 3: Cross multiply
    479,553.61x = 661,800.00 × 261,775.19
  4. Step 4: Simplify right side
    479,553.61x = 173,242,818,327.42
  5. Step 5: Solve for x
    x = 173,242,818,327.42/479,553.61
  6. Step 6: Final answer
    x = 361,258.50

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