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Finding the Fourth Proportional to 543,898.80, 815,848.20 and 463,417.20

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Solution

The fourth proportional to 543,898.80, 815,848.20 and 463,417.20 is: 695,125.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,898.80 : 815,848.20 = 463,417.20 : x
  2. Step 2: Convert to fraction form
    543,898.80/815,848.20 = 463,417.20/x
  3. Step 3: Cross multiply
    543,898.80x = 815,848.20 × 463,417.20
  4. Step 4: Simplify right side
    543,898.80x = 378,078,088,469.04
  5. Step 5: Solve for x
    x = 378,078,088,469.04/543,898.80
  6. Step 6: Final answer
    x = 695,125.80

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