Home / 324,424.11-444,453.61-312,294.81

Finding the Fourth Proportional to 324,424.11, 444,453.61 and 312,294.81

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Solution

The fourth proportional to 324,424.11, 444,453.61 and 312,294.81 is: 427,836.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,424.11 : 444,453.61 = 312,294.81 : x
  2. Step 2: Convert to fraction form
    324,424.11/444,453.61 = 312,294.81/x
  3. Step 3: Cross multiply
    324,424.11x = 444,453.61 × 312,294.81
  4. Step 4: Simplify right side
    324,424.11x = 138,800,554,908.03
  5. Step 5: Solve for x
    x = 138,800,554,908.03/324,424.11
  6. Step 6: Final answer
    x = 427,836.74

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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.