Home / 725,906.26-1,001,698.56-399,241.93

Finding the Fourth Proportional to 725,906.26, 1,001,698.56 and 399,241.93

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Solution

The fourth proportional to 725,906.26, 1,001,698.56 and 399,241.93 is: 550,925.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,906.26 : 1,001,698.56 = 399,241.93 : x
  2. Step 2: Convert to fraction form
    725,906.26/1,001,698.56 = 399,241.93/x
  3. Step 3: Cross multiply
    725,906.26x = 1,001,698.56 × 399,241.93
  4. Step 4: Simplify right side
    725,906.26x = 399,920,064,249.40
  5. Step 5: Solve for x
    x = 399,920,064,249.40/725,906.26
  6. Step 6: Final answer
    x = 550,925.22

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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.