Home / 885,076.47-1,327,580.48-253,990.28

Finding the Fourth Proportional to 885,076.47, 1,327,580.48 and 253,990.28

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Solution

The fourth proportional to 885,076.47, 1,327,580.48 and 253,990.28 is: 380,975.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,076.47 : 1,327,580.48 = 253,990.28 : x
  2. Step 2: Convert to fraction form
    885,076.47/1,327,580.48 = 253,990.28/x
  3. Step 3: Cross multiply
    885,076.47x = 1,327,580.48 × 253,990.28
  4. Step 4: Simplify right side
    885,076.47x = 337,192,541,791.66
  5. Step 5: Solve for x
    x = 337,192,541,791.66/885,076.47
  6. Step 6: Final answer
    x = 380,975.60

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.