Home / 754,282.25-1,131,420.44-304,997.73

Finding the Fourth Proportional to 754,282.25, 1,131,420.44 and 304,997.73

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Solution

The fourth proportional to 754,282.25, 1,131,420.44 and 304,997.73 is: 457,495.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,282.25 : 1,131,420.44 = 304,997.73 : x
  2. Step 2: Convert to fraction form
    754,282.25/1,131,420.44 = 304,997.73/x
  3. Step 3: Cross multiply
    754,282.25x = 1,131,420.44 × 304,997.73
  4. Step 4: Simplify right side
    754,282.25x = 345,080,666,638.10
  5. Step 5: Solve for x
    x = 345,080,666,638.10/754,282.25
  6. Step 6: Final answer
    x = 457,495.41

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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.