Home / 809,401.70-1,214,102.55-248,363.30

Finding the Fourth Proportional to 809,401.70, 1,214,102.55 and 248,363.30

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Solution

The fourth proportional to 809,401.70, 1,214,102.55 and 248,363.30 is: 372,544.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,401.70 : 1,214,102.55 = 248,363.30 : x
  2. Step 2: Convert to fraction form
    809,401.70/1,214,102.55 = 248,363.30/x
  3. Step 3: Cross multiply
    809,401.70x = 1,214,102.55 × 248,363.30
  4. Step 4: Simplify right side
    809,401.70x = 301,538,515,856.42
  5. Step 5: Solve for x
    x = 301,538,515,856.42/809,401.70
  6. Step 6: Final answer
    x = 372,544.95

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Similar ratio
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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.