Home / 952,673.56-1,428,709.38-312,871.88

Finding the Fourth Proportional to 952,673.56, 1,428,709.38 and 312,871.88

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Solution

The fourth proportional to 952,673.56, 1,428,709.38 and 312,871.88 is: 469,208.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,673.56 : 1,428,709.38 = 312,871.88 : x
  2. Step 2: Convert to fraction form
    952,673.56/1,428,709.38 = 312,871.88/x
  3. Step 3: Cross multiply
    952,673.56x = 1,428,709.38 × 312,871.88
  4. Step 4: Simplify right side
    952,673.56x = 447,002,986,122.46
  5. Step 5: Solve for x
    x = 447,002,986,122.46/952,673.56
  6. Step 6: Final answer
    x = 469,208.97

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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.