Home / 725,761.25-1,001,584.69-403,476.72

Finding the Fourth Proportional to 725,761.25, 1,001,584.69 and 403,476.72

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Solution

The fourth proportional to 725,761.25, 1,001,584.69 and 403,476.72 is: 556,816.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,761.25 : 1,001,584.69 = 403,476.72 : x
  2. Step 2: Convert to fraction form
    725,761.25/1,001,584.69 = 403,476.72/x
  3. Step 3: Cross multiply
    725,761.25x = 1,001,584.69 × 403,476.72
  4. Step 4: Simplify right side
    725,761.25x = 404,116,104,514.73
  5. Step 5: Solve for x
    x = 404,116,104,514.73/725,761.25
  6. Step 6: Final answer
    x = 556,816.86

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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.