Home / 728,640.03-1,092,959.04-196,161.63

Finding the Fourth Proportional to 728,640.03, 1,092,959.04 and 196,161.63

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Solution

The fourth proportional to 728,640.03, 1,092,959.04 and 196,161.63 is: 294,242.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,640.03 : 1,092,959.04 = 196,161.63 : x
  2. Step 2: Convert to fraction form
    728,640.03/1,092,959.04 = 196,161.63/x
  3. Step 3: Cross multiply
    728,640.03x = 1,092,959.04 × 196,161.63
  4. Step 4: Simplify right side
    728,640.03x = 214,396,626,809.64
  5. Step 5: Solve for x
    x = 214,396,626,809.64/728,640.03
  6. Step 6: Final answer
    x = 294,242.17

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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.