Home / 685,380.48-1,027,873.44-236,083.20

Finding the Fourth Proportional to 685,380.48, 1,027,873.44 and 236,083.20

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Solution

The fourth proportional to 685,380.48, 1,027,873.44 and 236,083.20 is: 354,056.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,380.48 : 1,027,873.44 = 236,083.20 : x
  2. Step 2: Convert to fraction form
    685,380.48/1,027,873.44 = 236,083.20/x
  3. Step 3: Cross multiply
    685,380.48x = 1,027,873.44 × 236,083.20
  4. Step 4: Simplify right side
    685,380.48x = 242,663,650,910.21
  5. Step 5: Solve for x
    x = 242,663,650,910.21/685,380.48
  6. Step 6: Final answer
    x = 354,056.85

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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.