Home / 775,802.75-1,070,514.77-431,551.73

Finding the Fourth Proportional to 775,802.75, 1,070,514.77 and 431,551.73

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Solution

The fourth proportional to 775,802.75, 1,070,514.77 and 431,551.73 is: 595,489.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,802.75 : 1,070,514.77 = 431,551.73 : x
  2. Step 2: Convert to fraction form
    775,802.75/1,070,514.77 = 431,551.73/x
  3. Step 3: Cross multiply
    775,802.75x = 1,070,514.77 × 431,551.73
  4. Step 4: Simplify right side
    775,802.75x = 461,982,493,473.72
  5. Step 5: Solve for x
    x = 461,982,493,473.72/775,802.75
  6. Step 6: Final answer
    x = 595,489.64

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Double scale
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Similar ratio
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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.