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Finding the Fourth Proportional to 455,509.56, 683,679.06 and 242,456.43

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Solution

The fourth proportional to 455,509.56, 683,679.06 and 242,456.43 is: 363,905.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,509.56 : 683,679.06 = 242,456.43 : x
  2. Step 2: Convert to fraction form
    455,509.56/683,679.06 = 242,456.43/x
  3. Step 3: Cross multiply
    455,509.56x = 683,679.06 × 242,456.43
  4. Step 4: Simplify right side
    455,509.56x = 165,762,384,153.36
  5. Step 5: Solve for x
    x = 165,762,384,153.36/455,509.56
  6. Step 6: Final answer
    x = 363,905.39

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