Home / 324,425.20-444,455.06-312,295.86

Finding the Fourth Proportional to 324,425.20, 444,455.06 and 312,295.86

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Solution

The fourth proportional to 324,425.20, 444,455.06 and 312,295.86 is: 427,838.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,425.20 : 444,455.06 = 312,295.86 : x
  2. Step 2: Convert to fraction form
    324,425.20/444,455.06 = 312,295.86/x
  3. Step 3: Cross multiply
    324,425.20x = 444,455.06 × 312,295.86
  4. Step 4: Simplify right side
    324,425.20x = 138,801,475,194.05
  5. Step 5: Solve for x
    x = 138,801,475,194.05/324,425.20
  6. Step 6: Final answer
    x = 427,838.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.