Home / 694,764.80-1,042,204.80-221,436.80

Finding the Fourth Proportional to 694,764.80, 1,042,204.80 and 221,436.80

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Solution

The fourth proportional to 694,764.80, 1,042,204.80 and 221,436.80 is: 332,173.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,764.80 : 1,042,204.80 = 221,436.80 : x
  2. Step 2: Convert to fraction form
    694,764.80/1,042,204.80 = 221,436.80/x
  3. Step 3: Cross multiply
    694,764.80x = 1,042,204.80 × 221,436.80
  4. Step 4: Simplify right side
    694,764.80x = 230,782,495,856.64
  5. Step 5: Solve for x
    x = 230,782,495,856.64/694,764.80
  6. Step 6: Final answer
    x = 332,173.56

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1.5x scale

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.