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Finding the Fourth Proportional to 499,324.18, 749,519.37 and 215,154.98

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Solution

The fourth proportional to 499,324.18, 749,519.37 and 215,154.98 is: 322,962.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,324.18 : 749,519.37 = 215,154.98 : x
  2. Step 2: Convert to fraction form
    499,324.18/749,519.37 = 215,154.98/x
  3. Step 3: Cross multiply
    499,324.18x = 749,519.37 × 215,154.98
  4. Step 4: Simplify right side
    499,324.18x = 161,262,825,061.96
  5. Step 5: Solve for x
    x = 161,262,825,061.96/499,324.18
  6. Step 6: Final answer
    x = 322,962.18

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