Home / 849,171.80-1,273,757.70-218,086.22

Finding the Fourth Proportional to 849,171.80, 1,273,757.70 and 218,086.22

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Solution

The fourth proportional to 849,171.80, 1,273,757.70 and 218,086.22 is: 327,129.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,171.80 : 1,273,757.70 = 218,086.22 : x
  2. Step 2: Convert to fraction form
    849,171.80/1,273,757.70 = 218,086.22/x
  3. Step 3: Cross multiply
    849,171.80x = 1,273,757.70 × 218,086.22
  4. Step 4: Simplify right side
    849,171.80x = 277,789,005,991.11
  5. Step 5: Solve for x
    x = 277,789,005,991.11/849,171.80
  6. Step 6: Final answer
    x = 327,129.33

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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.