Home / 725,600.70-1,001,286.03-403,299.78

Finding the Fourth Proportional to 725,600.70, 1,001,286.03 and 403,299.78

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Solution

The fourth proportional to 725,600.70, 1,001,286.03 and 403,299.78 is: 556,529.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,600.70 : 1,001,286.03 = 403,299.78 : x
  2. Step 2: Convert to fraction form
    725,600.70/1,001,286.03 = 403,299.78/x
  3. Step 3: Cross multiply
    725,600.70x = 1,001,286.03 × 403,299.78
  4. Step 4: Simplify right side
    725,600.70x = 403,818,435,616.07
  5. Step 5: Solve for x
    x = 403,818,435,616.07/725,600.70
  6. Step 6: Final answer
    x = 556,529.83

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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.