Home / 906,640.20-1,361,007.90-486,736.20

Finding the Fourth Proportional to 906,640.20, 1,361,007.90 and 486,736.20

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Solution

The fourth proportional to 906,640.20, 1,361,007.90 and 486,736.20 is: 730,666.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,640.20 : 1,361,007.90 = 486,736.20 : x
  2. Step 2: Convert to fraction form
    906,640.20/1,361,007.90 = 486,736.20/x
  3. Step 3: Cross multiply
    906,640.20x = 1,361,007.90 × 486,736.20
  4. Step 4: Simplify right side
    906,640.20x = 662,451,813,415.98
  5. Step 5: Solve for x
    x = 662,451,813,415.98/906,640.20
  6. Step 6: Final answer
    x = 730,666.71

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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.