Home / 695,449.60-1,043,174.40-379,734.28

Finding the Fourth Proportional to 695,449.60, 1,043,174.40 and 379,734.28

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Solution

The fourth proportional to 695,449.60, 1,043,174.40 and 379,734.28 is: 569,601.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,449.60 : 1,043,174.40 = 379,734.28 : x
  2. Step 2: Convert to fraction form
    695,449.60/1,043,174.40 = 379,734.28/x
  3. Step 3: Cross multiply
    695,449.60x = 1,043,174.40 × 379,734.28
  4. Step 4: Simplify right side
    695,449.60x = 396,129,079,698.43
  5. Step 5: Solve for x
    x = 396,129,079,698.43/695,449.60
  6. Step 6: Final answer
    x = 569,601.42

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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.