Home / 324,425.33-444,455.24-312,295.98

Finding the Fourth Proportional to 324,425.33, 444,455.24 and 312,295.98

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Solution

The fourth proportional to 324,425.33, 444,455.24 and 312,295.98 is: 427,838.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,425.33 : 444,455.24 = 312,295.98 : x
  2. Step 2: Convert to fraction form
    324,425.33/444,455.24 = 312,295.98/x
  3. Step 3: Cross multiply
    324,425.33x = 444,455.24 × 312,295.98
  4. Step 4: Simplify right side
    324,425.33x = 138,801,584,847.16
  5. Step 5: Solve for x
    x = 138,801,584,847.16/324,425.33
  6. Step 6: Final answer
    x = 427,838.31

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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.