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Finding the Fourth Proportional to 546,780.80, 820,171.20 and 470,673.20

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Solution

The fourth proportional to 546,780.80, 820,171.20 and 470,673.20 is: 706,009.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,780.80 : 820,171.20 = 470,673.20 : x
  2. Step 2: Convert to fraction form
    546,780.80/820,171.20 = 470,673.20/x
  3. Step 3: Cross multiply
    546,780.80x = 820,171.20 × 470,673.20
  4. Step 4: Simplify right side
    546,780.80x = 386,032,603,251.84
  5. Step 5: Solve for x
    x = 386,032,603,251.84/546,780.80
  6. Step 6: Final answer
    x = 706,009.80

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