Home / 888,654.82-1,333,523.56-319,988.38

Finding the Fourth Proportional to 888,654.82, 1,333,523.56 and 319,988.38

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Solution

The fourth proportional to 888,654.82, 1,333,523.56 and 319,988.38 is: 480,177.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,654.82 : 1,333,523.56 = 319,988.38 : x
  2. Step 2: Convert to fraction form
    888,654.82/1,333,523.56 = 319,988.38/x
  3. Step 3: Cross multiply
    888,654.82x = 1,333,523.56 × 319,988.38
  4. Step 4: Simplify right side
    888,654.82x = 426,712,043,656.23
  5. Step 5: Solve for x
    x = 426,712,043,656.23/888,654.82
  6. Step 6: Final answer
    x = 480,177.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.