Home / 726,737.74-1,002,888.32-404,447.75

Finding the Fourth Proportional to 726,737.74, 1,002,888.32 and 404,447.75

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Solution

The fourth proportional to 726,737.74, 1,002,888.32 and 404,447.75 is: 558,132.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,737.74 : 1,002,888.32 = 404,447.75 : x
  2. Step 2: Convert to fraction form
    726,737.74/1,002,888.32 = 404,447.75/x
  3. Step 3: Cross multiply
    726,737.74x = 1,002,888.32 × 404,447.75
  4. Step 4: Simplify right side
    726,737.74x = 405,615,921,249.43
  5. Step 5: Solve for x
    x = 405,615,921,249.43/726,737.74
  6. Step 6: Final answer
    x = 558,132.46

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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.