Home / 685,955.82-946,542.44-379,956.29

Finding the Fourth Proportional to 685,955.82, 946,542.44 and 379,956.29

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Solution

The fourth proportional to 685,955.82, 946,542.44 and 379,956.29 is: 524,297.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,955.82 : 946,542.44 = 379,956.29 : x
  2. Step 2: Convert to fraction form
    685,955.82/946,542.44 = 379,956.29/x
  3. Step 3: Cross multiply
    685,955.82x = 946,542.44 × 379,956.29
  4. Step 4: Simplify right side
    685,955.82x = 359,644,747,197.45
  5. Step 5: Solve for x
    x = 359,644,747,197.45/685,955.82
  6. Step 6: Final answer
    x = 524,297.25

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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.