Home / 629,943.82-869,326.62-343,468.66

Finding the Fourth Proportional to 629,943.82, 869,326.62 and 343,468.66

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Solution

The fourth proportional to 629,943.82, 869,326.62 and 343,468.66 is: 473,989.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,943.82 : 869,326.62 = 343,468.66 : x
  2. Step 2: Convert to fraction form
    629,943.82/869,326.62 = 343,468.66/x
  3. Step 3: Cross multiply
    629,943.82x = 869,326.62 × 343,468.66
  4. Step 4: Simplify right side
    629,943.82x = 298,586,449,273.73
  5. Step 5: Solve for x
    x = 298,586,449,273.73/629,943.82
  6. Step 6: Final answer
    x = 473,989.01

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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.