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Finding the Fourth Proportional to 630,845.28, 870,582.96 and 344,391.84

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Solution

The fourth proportional to 630,845.28, 870,582.96 and 344,391.84 is: 475,269.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,845.28 : 870,582.96 = 344,391.84 : x
  2. Step 2: Convert to fraction form
    630,845.28/870,582.96 = 344,391.84/x
  3. Step 3: Cross multiply
    630,845.28x = 870,582.96 × 344,391.84
  4. Step 4: Simplify right side
    630,845.28x = 299,821,667,467.05
  5. Step 5: Solve for x
    x = 299,821,667,467.05/630,845.28
  6. Step 6: Final answer
    x = 475,269.73

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