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Finding the Fourth Proportional to 458,267.80, 687,401.70 and 410,056.60

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Solution

The fourth proportional to 458,267.80, 687,401.70 and 410,056.60 is: 615,084.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,267.80 : 687,401.70 = 410,056.60 : x
  2. Step 2: Convert to fraction form
    458,267.80/687,401.70 = 410,056.60/x
  3. Step 3: Cross multiply
    458,267.80x = 687,401.70 × 410,056.60
  4. Step 4: Simplify right side
    458,267.80x = 281,873,603,936.22
  5. Step 5: Solve for x
    x = 281,873,603,936.22/458,267.80
  6. Step 6: Final answer
    x = 615,084.90

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