Home / 646,279.82-968,816.82-219,523.68

Finding the Fourth Proportional to 646,279.82, 968,816.82 and 219,523.68

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Solution

The fourth proportional to 646,279.82, 968,816.82 and 219,523.68 is: 329,080.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,279.82 : 968,816.82 = 219,523.68 : x
  2. Step 2: Convert to fraction form
    646,279.82/968,816.82 = 219,523.68/x
  3. Step 3: Cross multiply
    646,279.82x = 968,816.82 × 219,523.68
  4. Step 4: Simplify right side
    646,279.82x = 212,678,233,572.30
  5. Step 5: Solve for x
    x = 212,678,233,572.30/646,279.82
  6. Step 6: Final answer
    x = 329,080.73

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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.