Home / 725,781.16-1,001,599.74-399,077.24

Finding the Fourth Proportional to 725,781.16, 1,001,599.74 and 399,077.24

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Solution

The fourth proportional to 725,781.16, 1,001,599.74 and 399,077.24 is: 550,738.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,781.16 : 1,001,599.74 = 399,077.24 : x
  2. Step 2: Convert to fraction form
    725,781.16/1,001,599.74 = 399,077.24/x
  3. Step 3: Cross multiply
    725,781.16x = 1,001,599.74 × 399,077.24
  4. Step 4: Simplify right side
    725,781.16x = 399,715,659,823.92
  5. Step 5: Solve for x
    x = 399,715,659,823.92/725,781.16
  6. Step 6: Final answer
    x = 550,738.54

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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.