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Finding the Fourth Proportional to 546,884.20, 820,326.30 and 487,901.80

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Solution

The fourth proportional to 546,884.20, 820,326.30 and 487,901.80 is: 731,852.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,884.20 : 820,326.30 = 487,901.80 : x
  2. Step 2: Convert to fraction form
    546,884.20/820,326.30 = 487,901.80/x
  3. Step 3: Cross multiply
    546,884.20x = 820,326.30 × 487,901.80
  4. Step 4: Simplify right side
    546,884.20x = 400,238,678,357.34
  5. Step 5: Solve for x
    x = 400,238,678,357.34/546,884.20
  6. Step 6: Final answer
    x = 731,852.70

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