Home / 855,480.24-1,180,857.60-493,048.80

Finding the Fourth Proportional to 855,480.24, 1,180,857.60 and 493,048.80

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Solution

The fourth proportional to 855,480.24, 1,180,857.60 and 493,048.80 is: 680,577.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,480.24 : 1,180,857.60 = 493,048.80 : x
  2. Step 2: Convert to fraction form
    855,480.24/1,180,857.60 = 493,048.80/x
  3. Step 3: Cross multiply
    855,480.24x = 1,180,857.60 × 493,048.80
  4. Step 4: Simplify right side
    855,480.24x = 582,220,422,650.88
  5. Step 5: Solve for x
    x = 582,220,422,650.88/855,480.24
  6. Step 6: Final answer
    x = 680,577.29

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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.