Home / 324,431.86-444,464.22-312,302.56

Finding the Fourth Proportional to 324,431.86, 444,464.22 and 312,302.56

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Solution

The fourth proportional to 324,431.86, 444,464.22 and 312,302.56 is: 427,847.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,431.86 : 444,464.22 = 312,302.56 : x
  2. Step 2: Convert to fraction form
    324,431.86/444,464.22 = 312,302.56/x
  3. Step 3: Cross multiply
    324,431.86x = 444,464.22 × 312,302.56
  4. Step 4: Simplify right side
    324,431.86x = 138,807,313,734.40
  5. Step 5: Solve for x
    x = 138,807,313,734.40/324,431.86
  6. Step 6: Final answer
    x = 427,847.36

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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.