Home / 906,786.26-1,251,364.97-498,879.33

Finding the Fourth Proportional to 906,786.26, 1,251,364.97 and 498,879.33

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Solution

The fourth proportional to 906,786.26, 1,251,364.97 and 498,879.33 is: 688,453.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,786.26 : 1,251,364.97 = 498,879.33 : x
  2. Step 2: Convert to fraction form
    906,786.26/1,251,364.97 = 498,879.33/x
  3. Step 3: Cross multiply
    906,786.26x = 1,251,364.97 × 498,879.33
  4. Step 4: Simplify right side
    906,786.26x = 624,280,115,324.67
  5. Step 5: Solve for x
    x = 624,280,115,324.67/906,786.26
  6. Step 6: Final answer
    x = 688,453.44

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.