Home / 820,233.33-1,131,467.09-480,635.97

Finding the Fourth Proportional to 820,233.33, 1,131,467.09 and 480,635.97

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Solution

The fourth proportional to 820,233.33, 1,131,467.09 and 480,635.97 is: 663,011.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,233.33 : 1,131,467.09 = 480,635.97 : x
  2. Step 2: Convert to fraction form
    820,233.33/1,131,467.09 = 480,635.97/x
  3. Step 3: Cross multiply
    820,233.33x = 1,131,467.09 × 480,635.97
  4. Step 4: Simplify right side
    820,233.33x = 543,823,782,325.23
  5. Step 5: Solve for x
    x = 543,823,782,325.23/820,233.33
  6. Step 6: Final answer
    x = 663,011.08

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1.5x scale

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.