Home / 725,760.24-1,001,577.96-399,100.04

Finding the Fourth Proportional to 725,760.24, 1,001,577.96 and 399,100.04

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Solution

The fourth proportional to 725,760.24, 1,001,577.96 and 399,100.04 is: 550,773.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,760.24 : 1,001,577.96 = 399,100.04 : x
  2. Step 2: Convert to fraction form
    725,760.24/1,001,577.96 = 399,100.04/x
  3. Step 3: Cross multiply
    725,760.24x = 1,001,577.96 × 399,100.04
  4. Step 4: Simplify right side
    725,760.24x = 399,729,803,899.12
  5. Step 5: Solve for x
    x = 399,729,803,899.12/725,760.24
  6. Step 6: Final answer
    x = 550,773.91

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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.