Home / 725,680.62-1,001,090.43-471,111.66

Finding the Fourth Proportional to 725,680.62, 1,001,090.43 and 471,111.66

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Solution

The fourth proportional to 725,680.62, 1,001,090.43 and 471,111.66 is: 649,907.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,680.62 : 1,001,090.43 = 471,111.66 : x
  2. Step 2: Convert to fraction form
    725,680.62/1,001,090.43 = 471,111.66/x
  3. Step 3: Cross multiply
    725,680.62x = 1,001,090.43 × 471,111.66
  4. Step 4: Simplify right side
    725,680.62x = 471,625,374,287.41
  5. Step 5: Solve for x
    x = 471,625,374,287.41/725,680.62
  6. Step 6: Final answer
    x = 649,907.63

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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.