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Finding the Fourth Proportional to 482,866.80, 724,991.40 and 272,914.80

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Solution

The fourth proportional to 482,866.80, 724,991.40 and 272,914.80 is: 409,762.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,866.80 : 724,991.40 = 272,914.80 : x
  2. Step 2: Convert to fraction form
    482,866.80/724,991.40 = 272,914.80/x
  3. Step 3: Cross multiply
    482,866.80x = 724,991.40 × 272,914.80
  4. Step 4: Simplify right side
    482,866.80x = 197,860,882,932.72
  5. Step 5: Solve for x
    x = 197,860,882,932.72/482,866.80
  6. Step 6: Final answer
    x = 409,762.86

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