Home / 753,997.97-1,131,802.74-305,012.34

Finding the Fourth Proportional to 753,997.97, 1,131,802.74 and 305,012.34

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Solution

The fourth proportional to 753,997.97, 1,131,802.74 and 305,012.34 is: 457,844.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,997.97 : 1,131,802.74 = 305,012.34 : x
  2. Step 2: Convert to fraction form
    753,997.97/1,131,802.74 = 305,012.34/x
  3. Step 3: Cross multiply
    753,997.97x = 1,131,802.74 × 305,012.34
  4. Step 4: Simplify right side
    753,997.97x = 345,213,802,145.81
  5. Step 5: Solve for x
    x = 345,213,802,145.81/753,997.97
  6. Step 6: Final answer
    x = 457,844.47

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Similar ratio
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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.