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Finding the Fourth Proportional to 722,396.28, 996,914.34 and 435,861

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Solution

The fourth proportional to 722,396.28, 996,914.34 and 435,861 is: 601,492.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,396.28 : 996,914.34 = 435,861 : x
  2. Step 2: Convert to fraction form
    722,396.28/996,914.34 = 435,861/x
  3. Step 3: Cross multiply
    722,396.28x = 996,914.34 × 435,861
  4. Step 4: Simplify right side
    722,396.28x = 434,516,081,146.74
  5. Step 5: Solve for x
    x = 434,516,081,146.74/722,396.28
  6. Step 6: Final answer
    x = 601,492.69

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