Home / 815,456.54-1,223,177.01-495,696.71

Finding the Fourth Proportional to 815,456.54, 1,223,177.01 and 495,696.71

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Solution

The fourth proportional to 815,456.54, 1,223,177.01 and 495,696.71 is: 743,540.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,456.54 : 1,223,177.01 = 495,696.71 : x
  2. Step 2: Convert to fraction form
    815,456.54/1,223,177.01 = 495,696.71/x
  3. Step 3: Cross multiply
    815,456.54x = 1,223,177.01 × 495,696.71
  4. Step 4: Simplify right side
    815,456.54x = 606,324,820,803.72
  5. Step 5: Solve for x
    x = 606,324,820,803.72/815,456.54
  6. Step 6: Final answer
    x = 743,540.32

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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.