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Finding the Fourth Proportional to 455,850.40, 683,775.60 and 404,674.60

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Solution

The fourth proportional to 455,850.40, 683,775.60 and 404,674.60 is: 607,011.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,850.40 : 683,775.60 = 404,674.60 : x
  2. Step 2: Convert to fraction form
    455,850.40/683,775.60 = 404,674.60/x
  3. Step 3: Cross multiply
    455,850.40x = 683,775.60 × 404,674.60
  4. Step 4: Simplify right side
    455,850.40x = 276,706,617,419.76
  5. Step 5: Solve for x
    x = 276,706,617,419.76/455,850.40
  6. Step 6: Final answer
    x = 607,011.90

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