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Finding the Fourth Proportional to 346,722.70, 520,084.05 and 206,754.70

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Solution

The fourth proportional to 346,722.70, 520,084.05 and 206,754.70 is: 310,132.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,722.70 : 520,084.05 = 206,754.70 : x
  2. Step 2: Convert to fraction form
    346,722.70/520,084.05 = 206,754.70/x
  3. Step 3: Cross multiply
    346,722.70x = 520,084.05 × 206,754.70
  4. Step 4: Simplify right side
    346,722.70x = 107,529,821,732.54
  5. Step 5: Solve for x
    x = 107,529,821,732.54/346,722.70
  6. Step 6: Final answer
    x = 310,132.05

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