Home / 685,199.92-1,027,383.68-343,245.66

Finding the Fourth Proportional to 685,199.92, 1,027,383.68 and 343,245.66

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Solution

The fourth proportional to 685,199.92, 1,027,383.68 and 343,245.66 is: 514,660.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,199.92 : 1,027,383.68 = 343,245.66 : x
  2. Step 2: Convert to fraction form
    685,199.92/1,027,383.68 = 343,245.66/x
  3. Step 3: Cross multiply
    685,199.92x = 1,027,383.68 × 343,245.66
  4. Step 4: Simplify right side
    685,199.92x = 352,644,986,315.84
  5. Step 5: Solve for x
    x = 352,644,986,315.84/685,199.92
  6. Step 6: Final answer
    x = 514,660.00

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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.