Home / 635,733.91-876,805.40-418,166.03

Finding the Fourth Proportional to 635,733.91, 876,805.40 and 418,166.03

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Solution

The fourth proportional to 635,733.91, 876,805.40 and 418,166.03 is: 576,735.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,733.91 : 876,805.40 = 418,166.03 : x
  2. Step 2: Convert to fraction form
    635,733.91/876,805.40 = 418,166.03/x
  3. Step 3: Cross multiply
    635,733.91x = 876,805.40 × 418,166.03
  4. Step 4: Simplify right side
    635,733.91x = 366,650,233,459.80
  5. Step 5: Solve for x
    x = 366,650,233,459.80/635,733.91
  6. Step 6: Final answer
    x = 576,735.37

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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.