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Finding the Fourth Proportional to 648,100.86, 894,378.96 and 361,620.87

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Solution

The fourth proportional to 648,100.86, 894,378.96 and 361,620.87 is: 499,036.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,100.86 : 894,378.96 = 361,620.87 : x
  2. Step 2: Convert to fraction form
    648,100.86/894,378.96 = 361,620.87/x
  3. Step 3: Cross multiply
    648,100.86x = 894,378.96 × 361,620.87
  4. Step 4: Simplify right side
    648,100.86x = 323,426,097,624.90
  5. Step 5: Solve for x
    x = 323,426,097,624.90/648,100.86
  6. Step 6: Final answer
    x = 499,036.67

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