Home / 685,203.68-1,027,214.88-264,774.56

Finding the Fourth Proportional to 685,203.68, 1,027,214.88 and 264,774.56

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Solution

The fourth proportional to 685,203.68, 1,027,214.88 and 264,774.56 is: 396,933.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,203.68 : 1,027,214.88 = 264,774.56 : x
  2. Step 2: Convert to fraction form
    685,203.68/1,027,214.88 = 264,774.56/x
  3. Step 3: Cross multiply
    685,203.68x = 1,027,214.88 × 264,774.56
  4. Step 4: Simplify right side
    685,203.68x = 271,980,367,877.45
  5. Step 5: Solve for x
    x = 271,980,367,877.45/685,203.68
  6. Step 6: Final answer
    x = 396,933.61

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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.