Home / 685,225.08-1,027,906.05-235,886.49

Finding the Fourth Proportional to 685,225.08, 1,027,906.05 and 235,886.49

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Solution

The fourth proportional to 685,225.08, 1,027,906.05 and 235,886.49 is: 353,853.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,225.08 : 1,027,906.05 = 235,886.49 : x
  2. Step 2: Convert to fraction form
    685,225.08/1,027,906.05 = 235,886.49/x
  3. Step 3: Cross multiply
    685,225.08x = 1,027,906.05 × 235,886.49
  4. Step 4: Simplify right side
    685,225.08x = 242,469,150,184.27
  5. Step 5: Solve for x
    x = 242,469,150,184.27/685,225.08
  6. Step 6: Final answer
    x = 353,853.29

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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.