Home / 629,589.20-868,807.76-343,103.10

Finding the Fourth Proportional to 629,589.20, 868,807.76 and 343,103.10

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Solution

The fourth proportional to 629,589.20, 868,807.76 and 343,103.10 is: 473,468.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,589.20 : 868,807.76 = 343,103.10 : x
  2. Step 2: Convert to fraction form
    629,589.20/868,807.76 = 343,103.10/x
  3. Step 3: Cross multiply
    629,589.20x = 868,807.76 × 343,103.10
  4. Step 4: Simplify right side
    629,589.20x = 298,090,635,760.06
  5. Step 5: Solve for x
    x = 298,090,635,760.06/629,589.20
  6. Step 6: Final answer
    x = 473,468.47

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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.