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Finding the Fourth Proportional to 455,904.87, 683,245.98 and 354,824.97

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Solution

The fourth proportional to 455,904.87, 683,245.98 and 354,824.97 is: 531,761.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,904.87 : 683,245.98 = 354,824.97 : x
  2. Step 2: Convert to fraction form
    455,904.87/683,245.98 = 354,824.97/x
  3. Step 3: Cross multiply
    455,904.87x = 683,245.98 × 354,824.97
  4. Step 4: Simplify right side
    455,904.87x = 242,432,734,356.12
  5. Step 5: Solve for x
    x = 242,432,734,356.12/455,904.87
  6. Step 6: Final answer
    x = 531,761.67

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