Home / 485,330.48-669,558.77-322,063.97

Finding the Fourth Proportional to 485,330.48, 669,558.77 and 322,063.97

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Solution

The fourth proportional to 485,330.48, 669,558.77 and 322,063.97 is: 444,317.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,330.48 : 669,558.77 = 322,063.97 : x
  2. Step 2: Convert to fraction form
    485,330.48/669,558.77 = 322,063.97/x
  3. Step 3: Cross multiply
    485,330.48x = 669,558.77 × 322,063.97
  4. Step 4: Simplify right side
    485,330.48x = 215,640,755,614.52
  5. Step 5: Solve for x
    x = 215,640,755,614.52/485,330.48
  6. Step 6: Final answer
    x = 444,317.36

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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.