Home / 695,476.80-1,043,906.40-340,891.20

Finding the Fourth Proportional to 695,476.80, 1,043,906.40 and 340,891.20

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Solution

The fourth proportional to 695,476.80, 1,043,906.40 and 340,891.20 is: 511,675.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,476.80 : 1,043,906.40 = 340,891.20 : x
  2. Step 2: Convert to fraction form
    695,476.80/1,043,906.40 = 340,891.20/x
  3. Step 3: Cross multiply
    695,476.80x = 1,043,906.40 × 340,891.20
  4. Step 4: Simplify right side
    695,476.80x = 355,858,505,383.68
  5. Step 5: Solve for x
    x = 355,858,505,383.68/695,476.80
  6. Step 6: Final answer
    x = 511,675.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.