Home / 726,724.69-1,002,872.26-404,429.33

Finding the Fourth Proportional to 726,724.69, 1,002,872.26 and 404,429.33

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Solution

The fourth proportional to 726,724.69, 1,002,872.26 and 404,429.33 is: 558,108.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,724.69 : 1,002,872.26 = 404,429.33 : x
  2. Step 2: Convert to fraction form
    726,724.69/1,002,872.26 = 404,429.33/x
  3. Step 3: Cross multiply
    726,724.69x = 1,002,872.26 × 404,429.33
  4. Step 4: Simplify right side
    726,724.69x = 405,590,956,187.39
  5. Step 5: Solve for x
    x = 405,590,956,187.39/726,724.69
  6. Step 6: Final answer
    x = 558,108.13

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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.