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Finding the Fourth Proportional to 379,363.73, 568,555.02 and 283,844.48

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Solution

The fourth proportional to 379,363.73, 568,555.02 and 283,844.48 is: 425,399.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,363.73 : 568,555.02 = 283,844.48 : x
  2. Step 2: Convert to fraction form
    379,363.73/568,555.02 = 283,844.48/x
  3. Step 3: Cross multiply
    379,363.73x = 568,555.02 × 283,844.48
  4. Step 4: Simplify right side
    379,363.73x = 161,381,204,003.29
  5. Step 5: Solve for x
    x = 161,381,204,003.29/379,363.73
  6. Step 6: Final answer
    x = 425,399.67

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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.