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Finding the Fourth Proportional to 586,519.80, 879,604.20 and 305,883.96

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Solution

The fourth proportional to 586,519.80, 879,604.20 and 305,883.96 is: 458,734.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,519.80 : 879,604.20 = 305,883.96 : x
  2. Step 2: Convert to fraction form
    586,519.80/879,604.20 = 305,883.96/x
  3. Step 3: Cross multiply
    586,519.80x = 879,604.20 × 305,883.96
  4. Step 4: Simplify right side
    586,519.80x = 269,056,815,928.63
  5. Step 5: Solve for x
    x = 269,056,815,928.63/586,519.80
  6. Step 6: Final answer
    x = 458,734.41

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