Home / 695,698.40-1,043,596.20-274,919.60

Finding the Fourth Proportional to 695,698.40, 1,043,596.20 and 274,919.60

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Solution

The fourth proportional to 695,698.40, 1,043,596.20 and 274,919.60 is: 412,398.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,698.40 : 1,043,596.20 = 274,919.60 : x
  2. Step 2: Convert to fraction form
    695,698.40/1,043,596.20 = 274,919.60/x
  3. Step 3: Cross multiply
    695,698.40x = 1,043,596.20 × 274,919.60
  4. Step 4: Simplify right side
    695,698.40x = 286,905,049,865.52
  5. Step 5: Solve for x
    x = 286,905,049,865.52/695,698.40
  6. Step 6: Final answer
    x = 412,398.61

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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.