Home / 629,326.80-868,467.58-342,846.20

Finding the Fourth Proportional to 629,326.80, 868,467.58 and 342,846.20

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Solution

The fourth proportional to 629,326.80, 868,467.58 and 342,846.20 is: 473,125.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,326.80 : 868,467.58 = 342,846.20 : x
  2. Step 2: Convert to fraction form
    629,326.80/868,467.58 = 342,846.20/x
  3. Step 3: Cross multiply
    629,326.80x = 868,467.58 × 342,846.20
  4. Step 4: Simplify right side
    629,326.80x = 297,750,809,626.20
  5. Step 5: Solve for x
    x = 297,750,809,626.20/629,326.80
  6. Step 6: Final answer
    x = 473,125.90

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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.