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Finding the Fourth Proportional to 605,440.50, 835,508.10 and 350,939.32

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Solution

The fourth proportional to 605,440.50, 835,508.10 and 350,939.32 is: 484,296.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,440.50 : 835,508.10 = 350,939.32 : x
  2. Step 2: Convert to fraction form
    605,440.50/835,508.10 = 350,939.32/x
  3. Step 3: Cross multiply
    605,440.50x = 835,508.10 × 350,939.32
  4. Step 4: Simplify right side
    605,440.50x = 293,212,644,468.49
  5. Step 5: Solve for x
    x = 293,212,644,468.49/605,440.50
  6. Step 6: Final answer
    x = 484,296.38

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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.