Home / 629,942.82-869,325.24-343,467.66

Finding the Fourth Proportional to 629,942.82, 869,325.24 and 343,467.66

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Solution

The fourth proportional to 629,942.82, 869,325.24 and 343,467.66 is: 473,987.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,942.82 : 869,325.24 = 343,467.66 : x
  2. Step 2: Convert to fraction form
    629,942.82/869,325.24 = 343,467.66/x
  3. Step 3: Cross multiply
    629,942.82x = 869,325.24 × 343,467.66
  4. Step 4: Simplify right side
    629,942.82x = 298,585,105,961.74
  5. Step 5: Solve for x
    x = 298,585,105,961.74/629,942.82
  6. Step 6: Final answer
    x = 473,987.63

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1.5x scale

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.