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Finding the Fourth Proportional to 455,887.88, 683,220.56 and 354,807.98

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Solution

The fourth proportional to 455,887.88, 683,220.56 and 354,807.98 is: 531,736.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,887.88 : 683,220.56 = 354,807.98 : x
  2. Step 2: Convert to fraction form
    455,887.88/683,220.56 = 354,807.98/x
  3. Step 3: Cross multiply
    455,887.88x = 683,220.56 × 354,807.98
  4. Step 4: Simplify right side
    455,887.88x = 242,412,101,597.93
  5. Step 5: Solve for x
    x = 242,412,101,597.93/455,887.88
  6. Step 6: Final answer
    x = 531,736.23

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