Home / 720,940.49-1,081,472.24-188,460.66

Finding the Fourth Proportional to 720,940.49, 1,081,472.24 and 188,460.66

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Solution

The fourth proportional to 720,940.49, 1,081,472.24 and 188,460.66 is: 282,707.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,940.49 : 1,081,472.24 = 188,460.66 : x
  2. Step 2: Convert to fraction form
    720,940.49/1,081,472.24 = 188,460.66/x
  3. Step 3: Cross multiply
    720,940.49x = 1,081,472.24 × 188,460.66
  4. Step 4: Simplify right side
    720,940.49x = 203,814,971,179.78
  5. Step 5: Solve for x
    x = 203,814,971,179.78/720,940.49
  6. Step 6: Final answer
    x = 282,707.07

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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.