Home / 766,445.97-1,057,653.03-422,214.22

Finding the Fourth Proportional to 766,445.97, 1,057,653.03 and 422,214.22

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Solution

The fourth proportional to 766,445.97, 1,057,653.03 and 422,214.22 is: 582,632.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,445.97 : 1,057,653.03 = 422,214.22 : x
  2. Step 2: Convert to fraction form
    766,445.97/1,057,653.03 = 422,214.22/x
  3. Step 3: Cross multiply
    766,445.97x = 1,057,653.03 × 422,214.22
  4. Step 4: Simplify right side
    766,445.97x = 446,556,149,092.09
  5. Step 5: Solve for x
    x = 446,556,149,092.09/766,445.97
  6. Step 6: Final answer
    x = 582,632.26

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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.