Home / 874,456.48-1,207,307.10-713,694.97

Finding the Fourth Proportional to 874,456.48, 1,207,307.10 and 713,694.97

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Solution

The fourth proportional to 874,456.48, 1,207,307.10 and 713,694.97 is: 985,353.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,456.48 : 1,207,307.10 = 713,694.97 : x
  2. Step 2: Convert to fraction form
    874,456.48/1,207,307.10 = 713,694.97/x
  3. Step 3: Cross multiply
    874,456.48x = 1,207,307.10 × 713,694.97
  4. Step 4: Simplify right side
    874,456.48x = 861,649,004,515.29
  5. Step 5: Solve for x
    x = 861,649,004,515.29/874,456.48
  6. Step 6: Final answer
    x = 985,353.79

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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.