Home / 635,736.90-876,809.55-418,169.04

Finding the Fourth Proportional to 635,736.90, 876,809.55 and 418,169.04

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Solution

The fourth proportional to 635,736.90, 876,809.55 and 418,169.04 is: 576,739.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,736.90 : 876,809.55 = 418,169.04 : x
  2. Step 2: Convert to fraction form
    635,736.90/876,809.55 = 418,169.04/x
  3. Step 3: Cross multiply
    635,736.90x = 876,809.55 × 418,169.04
  4. Step 4: Simplify right side
    635,736.90x = 366,654,607,786.33
  5. Step 5: Solve for x
    x = 366,654,607,786.33/635,736.90
  6. Step 6: Final answer
    x = 576,739.54

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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.