Home / 906,219.68-1,358,480.23-306,761.36

Finding the Fourth Proportional to 906,219.68, 1,358,480.23 and 306,761.36

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Solution

The fourth proportional to 906,219.68, 1,358,480.23 and 306,761.36 is: 459,854.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,219.68 : 1,358,480.23 = 306,761.36 : x
  2. Step 2: Convert to fraction form
    906,219.68/1,358,480.23 = 306,761.36/x
  3. Step 3: Cross multiply
    906,219.68x = 1,358,480.23 × 306,761.36
  4. Step 4: Simplify right side
    906,219.68x = 416,729,238,450.94
  5. Step 5: Solve for x
    x = 416,729,238,450.94/906,219.68
  6. Step 6: Final answer
    x = 459,854.55

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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.