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Finding the Fourth Proportional to 455,714.40, 683,571.60 and 367,140.90

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Solution

The fourth proportional to 455,714.40, 683,571.60 and 367,140.90 is: 550,711.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,714.40 : 683,571.60 = 367,140.90 : x
  2. Step 2: Convert to fraction form
    455,714.40/683,571.60 = 367,140.90/x
  3. Step 3: Cross multiply
    455,714.40x = 683,571.60 × 367,140.90
  4. Step 4: Simplify right side
    455,714.40x = 250,967,092,438.44
  5. Step 5: Solve for x
    x = 250,967,092,438.44/455,714.40
  6. Step 6: Final answer
    x = 550,711.35

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