Home / 815,270.58-1,125,177.19-492,982.97

Finding the Fourth Proportional to 815,270.58, 1,125,177.19 and 492,982.97

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Solution

The fourth proportional to 815,270.58, 1,125,177.19 and 492,982.97 is: 680,379.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,270.58 : 1,125,177.19 = 492,982.97 : x
  2. Step 2: Convert to fraction form
    815,270.58/1,125,177.19 = 492,982.97/x
  3. Step 3: Cross multiply
    815,270.58x = 1,125,177.19 × 492,982.97
  4. Step 4: Simplify right side
    815,270.58x = 554,693,186,044.11
  5. Step 5: Solve for x
    x = 554,693,186,044.11/815,270.58
  6. Step 6: Final answer
    x = 680,379.25

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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.