Home / 809,305.80-1,213,822.34-296,865.24

Finding the Fourth Proportional to 809,305.80, 1,213,822.34 and 296,865.24

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Solution

The fourth proportional to 809,305.80, 1,213,822.34 and 296,865.24 is: 445,247.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,305.80 : 1,213,822.34 = 296,865.24 : x
  2. Step 2: Convert to fraction form
    809,305.80/1,213,822.34 = 296,865.24/x
  3. Step 3: Cross multiply
    809,305.80x = 1,213,822.34 × 296,865.24
  4. Step 4: Simplify right side
    809,305.80x = 360,341,660,281.46
  5. Step 5: Solve for x
    x = 360,341,660,281.46/809,305.80
  6. Step 6: Final answer
    x = 445,247.84

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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.