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Finding the Fourth Proportional to 379,363.79, 568,555.13 and 283,844.54

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Solution

The fourth proportional to 379,363.79, 568,555.13 and 283,844.54 is: 425,399.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,363.79 : 568,555.13 = 283,844.54 : x
  2. Step 2: Convert to fraction form
    379,363.79/568,555.13 = 283,844.54/x
  3. Step 3: Cross multiply
    379,363.79x = 568,555.13 × 283,844.54
  4. Step 4: Simplify right side
    379,363.79x = 161,381,271,470.49
  5. Step 5: Solve for x
    x = 161,381,271,470.49/379,363.79
  6. Step 6: Final answer
    x = 425,399.77

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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.