Home / 685,336.80-1,027,891.80-229,922.40

Finding the Fourth Proportional to 685,336.80, 1,027,891.80 and 229,922.40

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Solution

The fourth proportional to 685,336.80, 1,027,891.80 and 229,922.40 is: 344,845.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,336.80 : 1,027,891.80 = 229,922.40 : x
  2. Step 2: Convert to fraction form
    685,336.80/1,027,891.80 = 229,922.40/x
  3. Step 3: Cross multiply
    685,336.80x = 1,027,891.80 × 229,922.40
  4. Step 4: Simplify right side
    685,336.80x = 236,335,349,596.32
  5. Step 5: Solve for x
    x = 236,335,349,596.32/685,336.80
  6. Step 6: Final answer
    x = 344,845.56

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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.