Home / 629,325.80-868,466.20-342,845.20

Finding the Fourth Proportional to 629,325.80, 868,466.20 and 342,845.20

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Solution

The fourth proportional to 629,325.80, 868,466.20 and 342,845.20 is: 473,124.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,325.80 : 868,466.20 = 342,845.20 : x
  2. Step 2: Convert to fraction form
    629,325.80/868,466.20 = 342,845.20/x
  3. Step 3: Cross multiply
    629,325.80x = 868,466.20 × 342,845.20
  4. Step 4: Simplify right side
    629,325.80x = 297,749,468,032.24
  5. Step 5: Solve for x
    x = 297,749,468,032.24/629,325.80
  6. Step 6: Final answer
    x = 473,124.52

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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.