Home / 725,221.52-1,000,873.32-438,812.24

Finding the Fourth Proportional to 725,221.52, 1,000,873.32 and 438,812.24

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Solution

The fourth proportional to 725,221.52, 1,000,873.32 and 438,812.24 is: 605,601.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,221.52 : 1,000,873.32 = 438,812.24 : x
  2. Step 2: Convert to fraction form
    725,221.52/1,000,873.32 = 438,812.24/x
  3. Step 3: Cross multiply
    725,221.52x = 1,000,873.32 × 438,812.24
  4. Step 4: Simplify right side
    725,221.52x = 439,195,463,505.44
  5. Step 5: Solve for x
    x = 439,195,463,505.44/725,221.52
  6. Step 6: Final answer
    x = 605,601.81

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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.