Home / 754,272.82-1,131,406.26-304,988.23

Finding the Fourth Proportional to 754,272.82, 1,131,406.26 and 304,988.23

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Solution

The fourth proportional to 754,272.82, 1,131,406.26 and 304,988.23 is: 457,481.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,272.82 : 1,131,406.26 = 304,988.23 : x
  2. Step 2: Convert to fraction form
    754,272.82/1,131,406.26 = 304,988.23/x
  3. Step 3: Cross multiply
    754,272.82x = 1,131,406.26 × 304,988.23
  4. Step 4: Simplify right side
    754,272.82x = 345,065,592,648.32
  5. Step 5: Solve for x
    x = 345,065,592,648.32/754,272.82
  6. Step 6: Final answer
    x = 457,481.14

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Double scale
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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.