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Finding the Fourth Proportional to 457,036.40, 683,999.40 and 401,049.20

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Solution

The fourth proportional to 457,036.40, 683,999.40 and 401,049.20 is: 600,209.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,036.40 : 683,999.40 = 401,049.20 : x
  2. Step 2: Convert to fraction form
    457,036.40/683,999.40 = 401,049.20/x
  3. Step 3: Cross multiply
    457,036.40x = 683,999.40 × 401,049.20
  4. Step 4: Simplify right side
    457,036.40x = 274,317,412,170.48
  5. Step 5: Solve for x
    x = 274,317,412,170.48/457,036.40
  6. Step 6: Final answer
    x = 600,209.11

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