Home / 725,761.15-1,001,572.16-399,057.26

Finding the Fourth Proportional to 725,761.15, 1,001,572.16 and 399,057.26

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Solution

The fourth proportional to 725,761.15, 1,001,572.16 and 399,057.26 is: 550,710.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,761.15 : 1,001,572.16 = 399,057.26 : x
  2. Step 2: Convert to fraction form
    725,761.15/1,001,572.16 = 399,057.26/x
  3. Step 3: Cross multiply
    725,761.15x = 1,001,572.16 × 399,057.26
  4. Step 4: Simplify right side
    725,761.15x = 399,684,634,858.74
  5. Step 5: Solve for x
    x = 399,684,634,858.74/725,761.15
  6. Step 6: Final answer
    x = 550,710.98

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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.