Home / 855,946.96-1,181,067.72-493,385.68

Finding the Fourth Proportional to 855,946.96, 1,181,067.72 and 493,385.68

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Solution

The fourth proportional to 855,946.96, 1,181,067.72 and 493,385.68 is: 680,792.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,946.96 : 1,181,067.72 = 493,385.68 : x
  2. Step 2: Convert to fraction form
    855,946.96/1,181,067.72 = 493,385.68/x
  3. Step 3: Cross multiply
    855,946.96x = 1,181,067.72 × 493,385.68
  4. Step 4: Simplify right side
    855,946.96x = 582,721,900,158.25
  5. Step 5: Solve for x
    x = 582,721,900,158.25/855,946.96
  6. Step 6: Final answer
    x = 680,792.07

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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.