Home / 605,252-835,215.78-347,115.61

Finding the Fourth Proportional to 605,252, 835,215.78 and 347,115.61

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Solution

The fourth proportional to 605,252, 835,215.78 and 347,115.61 is: 479,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,252 : 835,215.78 = 347,115.61 : x
  2. Step 2: Convert to fraction form
    605,252/835,215.78 = 347,115.61/x
  3. Step 3: Cross multiply
    605,252x = 835,215.78 × 347,115.61
  4. Step 4: Simplify right side
    605,252x = 289,916,434,956.33
  5. Step 5: Solve for x
    x = 289,916,434,956.33/605,252
  6. Step 6: Final answer
    x = 479,001.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.