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Finding the Fourth Proportional to 445,347.18, 667,669.41 and 220,784.94

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Solution

The fourth proportional to 445,347.18, 667,669.41 and 220,784.94 is: 331,003.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,347.18 : 667,669.41 = 220,784.94 : x
  2. Step 2: Convert to fraction form
    445,347.18/667,669.41 = 220,784.94/x
  3. Step 3: Cross multiply
    445,347.18x = 667,669.41 × 220,784.94
  4. Step 4: Simplify right side
    445,347.18x = 147,411,350,626.69
  5. Step 5: Solve for x
    x = 147,411,350,626.69/445,347.18
  6. Step 6: Final answer
    x = 331,003.22

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