Home / 389,932.30-584,388.85-282,224.33

Finding the Fourth Proportional to 389,932.30, 584,388.85 and 282,224.33

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Solution

The fourth proportional to 389,932.30, 584,388.85 and 282,224.33 is: 422,967.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,932.30 : 584,388.85 = 282,224.33 : x
  2. Step 2: Convert to fraction form
    389,932.30/584,388.85 = 282,224.33/x
  3. Step 3: Cross multiply
    389,932.30x = 584,388.85 × 282,224.33
  4. Step 4: Simplify right side
    389,932.30x = 164,928,751,650.72
  5. Step 5: Solve for x
    x = 164,928,751,650.72/389,932.30
  6. Step 6: Final answer
    x = 422,967.66

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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.