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Finding the Fourth Proportional to 546,769.20, 820,153.80 and 494,281.20

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Solution

The fourth proportional to 546,769.20, 820,153.80 and 494,281.20 is: 741,421.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,769.20 : 820,153.80 = 494,281.20 : x
  2. Step 2: Convert to fraction form
    546,769.20/820,153.80 = 494,281.20/x
  3. Step 3: Cross multiply
    546,769.20x = 820,153.80 × 494,281.20
  4. Step 4: Simplify right side
    546,769.20x = 405,386,604,448.56
  5. Step 5: Solve for x
    x = 405,386,604,448.56/546,769.20
  6. Step 6: Final answer
    x = 741,421.80

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