Home / 629,467.80-868,654.26-342,989.88

Finding the Fourth Proportional to 629,467.80, 868,654.26 and 342,989.88

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Solution

The fourth proportional to 629,467.80, 868,654.26 and 342,989.88 is: 473,319.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,467.80 : 868,654.26 = 342,989.88 : x
  2. Step 2: Convert to fraction form
    629,467.80/868,654.26 = 342,989.88/x
  3. Step 3: Cross multiply
    629,467.80x = 868,654.26 × 342,989.88
  4. Step 4: Simplify right side
    629,467.80x = 297,939,620,398.89
  5. Step 5: Solve for x
    x = 297,939,620,398.89/629,467.80
  6. Step 6: Final answer
    x = 473,319.87

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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.