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Finding the Fourth Proportional to 550,414.20, 824,843.70 and 407,141.40

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Solution

The fourth proportional to 550,414.20, 824,843.70 and 407,141.40 is: 610,136.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,414.20 : 824,843.70 = 407,141.40 : x
  2. Step 2: Convert to fraction form
    550,414.20/824,843.70 = 407,141.40/x
  3. Step 3: Cross multiply
    550,414.20x = 824,843.70 × 407,141.40
  4. Step 4: Simplify right side
    550,414.20x = 335,828,018,799.18
  5. Step 5: Solve for x
    x = 335,828,018,799.18/550,414.20
  6. Step 6: Final answer
    x = 610,136.91

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