Home / 629,213.68-868,322.46-342,736.12

Finding the Fourth Proportional to 629,213.68, 868,322.46 and 342,736.12

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Solution

The fourth proportional to 629,213.68, 868,322.46 and 342,736.12 is: 472,979.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,213.68 : 868,322.46 = 342,736.12 : x
  2. Step 2: Convert to fraction form
    629,213.68/868,322.46 = 342,736.12/x
  3. Step 3: Cross multiply
    629,213.68x = 868,322.46 × 342,736.12
  4. Step 4: Simplify right side
    629,213.68x = 297,605,470,849.26
  5. Step 5: Solve for x
    x = 297,605,470,849.26/629,213.68
  6. Step 6: Final answer
    x = 472,979.98

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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.