Home / 931,180.36-1,396,679.82-300,546.76

Finding the Fourth Proportional to 931,180.36, 1,396,679.82 and 300,546.76

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Solution

The fourth proportional to 931,180.36, 1,396,679.82 and 300,546.76 is: 450,790.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,180.36 : 1,396,679.82 = 300,546.76 : x
  2. Step 2: Convert to fraction form
    931,180.36/1,396,679.82 = 300,546.76/x
  3. Step 3: Cross multiply
    931,180.36x = 1,396,679.82 × 300,546.76
  4. Step 4: Simplify right side
    931,180.36x = 419,767,594,658.38
  5. Step 5: Solve for x
    x = 419,767,594,658.38/931,180.36
  6. Step 6: Final answer
    x = 450,790.86

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1.5x scale

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.