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Finding the Fourth Proportional to 455,440.40, 683,160.60 and 366,866.90

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Solution

The fourth proportional to 455,440.40, 683,160.60 and 366,866.90 is: 550,300.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,440.40 : 683,160.60 = 366,866.90 : x
  2. Step 2: Convert to fraction form
    455,440.40/683,160.60 = 366,866.90/x
  3. Step 3: Cross multiply
    455,440.40x = 683,160.60 × 366,866.90
  4. Step 4: Simplify right side
    455,440.40x = 250,629,011,524.14
  5. Step 5: Solve for x
    x = 250,629,011,524.14/455,440.40
  6. Step 6: Final answer
    x = 550,300.35

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