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Finding the Fourth Proportional to 606,125.42, 836,395.98 and 351,449

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Solution

The fourth proportional to 606,125.42, 836,395.98 and 351,449 is: 484,966.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,125.42 : 836,395.98 = 351,449 : x
  2. Step 2: Convert to fraction form
    606,125.42/836,395.98 = 351,449/x
  3. Step 3: Cross multiply
    606,125.42x = 836,395.98 × 351,449
  4. Step 4: Simplify right side
    606,125.42x = 293,950,530,775.02
  5. Step 5: Solve for x
    x = 293,950,530,775.02/606,125.42
  6. Step 6: Final answer
    x = 484,966.51

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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.