Home / 629,519.24-868,746.48-343,039.16

Finding the Fourth Proportional to 629,519.24, 868,746.48 and 343,039.16

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Solution

The fourth proportional to 629,519.24, 868,746.48 and 343,039.16 is: 473,399.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,519.24 : 868,746.48 = 343,039.16 : x
  2. Step 2: Convert to fraction form
    629,519.24/868,746.48 = 343,039.16/x
  3. Step 3: Cross multiply
    629,519.24x = 868,746.48 × 343,039.16
  4. Step 4: Simplify right side
    629,519.24x = 298,014,062,752.16
  5. Step 5: Solve for x
    x = 298,014,062,752.16/629,519.24
  6. Step 6: Final answer
    x = 473,399.45

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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.