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Finding the Fourth Proportional to 482,829.80, 724,241.10 and 145,869.80

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Solution

The fourth proportional to 482,829.80, 724,241.10 and 145,869.80 is: 218,803.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,829.80 : 724,241.10 = 145,869.80 : x
  2. Step 2: Convert to fraction form
    482,829.80/724,241.10 = 145,869.80/x
  3. Step 3: Cross multiply
    482,829.80x = 724,241.10 × 145,869.80
  4. Step 4: Simplify right side
    482,829.80x = 105,644,904,408.78
  5. Step 5: Solve for x
    x = 105,644,904,408.78/482,829.80
  6. Step 6: Final answer
    x = 218,803.61

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