Home / 823,083.18-1,234,846.62-343,151.46

Finding the Fourth Proportional to 823,083.18, 1,234,846.62 and 343,151.46

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Solution

The fourth proportional to 823,083.18, 1,234,846.62 and 343,151.46 is: 514,819.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,083.18 : 1,234,846.62 = 343,151.46 : x
  2. Step 2: Convert to fraction form
    823,083.18/1,234,846.62 = 343,151.46/x
  3. Step 3: Cross multiply
    823,083.18x = 1,234,846.62 × 343,151.46
  4. Step 4: Simplify right side
    823,083.18x = 423,739,420,529.07
  5. Step 5: Solve for x
    x = 423,739,420,529.07/823,083.18
  6. Step 6: Final answer
    x = 514,819.68

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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.