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Finding the Fourth Proportional to 379,713.48, 524,015.10 and 209,953.68

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Solution

The fourth proportional to 379,713.48, 524,015.10 and 209,953.68 is: 289,741.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,713.48 : 524,015.10 = 209,953.68 : x
  2. Step 2: Convert to fraction form
    379,713.48/524,015.10 = 209,953.68/x
  3. Step 3: Cross multiply
    379,713.48x = 524,015.10 × 209,953.68
  4. Step 4: Simplify right side
    379,713.48x = 110,018,898,620.57
  5. Step 5: Solve for x
    x = 110,018,898,620.57/379,713.48
  6. Step 6: Final answer
    x = 289,741.88

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