Home / 725,727.23-1,001,529.29-399,065.03

Finding the Fourth Proportional to 725,727.23, 1,001,529.29 and 399,065.03

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Solution

The fourth proportional to 725,727.23, 1,001,529.29 and 399,065.03 is: 550,723.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,727.23 : 1,001,529.29 = 399,065.03 : x
  2. Step 2: Convert to fraction form
    725,727.23/1,001,529.29 = 399,065.03/x
  3. Step 3: Cross multiply
    725,727.23x = 1,001,529.29 × 399,065.03
  4. Step 4: Simplify right side
    725,727.23x = 399,675,315,905.48
  5. Step 5: Solve for x
    x = 399,675,315,905.48/725,727.23
  6. Step 6: Final answer
    x = 550,723.88

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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.