Home / 725,797.39-1,001,604.29-399,131.46

Finding the Fourth Proportional to 725,797.39, 1,001,604.29 and 399,131.46

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Solution

The fourth proportional to 725,797.39, 1,001,604.29 and 399,131.46 is: 550,803.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,797.39 : 1,001,604.29 = 399,131.46 : x
  2. Step 2: Convert to fraction form
    725,797.39/1,001,604.29 = 399,131.46/x
  3. Step 3: Cross multiply
    725,797.39x = 1,001,604.29 × 399,131.46
  4. Step 4: Simplify right side
    725,797.39x = 399,771,780,614.31
  5. Step 5: Solve for x
    x = 399,771,780,614.31/725,797.39
  6. Step 6: Final answer
    x = 550,803.56

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Double scale
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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.