Home / 805,353.70-1,208,037.82-244,388.20

Finding the Fourth Proportional to 805,353.70, 1,208,037.82 and 244,388.20

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Solution

The fourth proportional to 805,353.70, 1,208,037.82 and 244,388.20 is: 366,584.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,353.70 : 1,208,037.82 = 244,388.20 : x
  2. Step 2: Convert to fraction form
    805,353.70/1,208,037.82 = 244,388.20/x
  3. Step 3: Cross multiply
    805,353.70x = 1,208,037.82 × 244,388.20
  4. Step 4: Simplify right side
    805,353.70x = 295,230,181,710.56
  5. Step 5: Solve for x
    x = 295,230,181,710.56/805,353.70
  6. Step 6: Final answer
    x = 366,584.50

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Double scale
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Similar ratio
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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.