Home / 754,280.75-1,131,418.19-304,996.23

Finding the Fourth Proportional to 754,280.75, 1,131,418.19 and 304,996.23

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Solution

The fourth proportional to 754,280.75, 1,131,418.19 and 304,996.23 is: 457,493.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,280.75 : 1,131,418.19 = 304,996.23 : x
  2. Step 2: Convert to fraction form
    754,280.75/1,131,418.19 = 304,996.23/x
  3. Step 3: Cross multiply
    754,280.75x = 1,131,418.19 × 304,996.23
  4. Step 4: Simplify right side
    754,280.75x = 345,078,283,265.91
  5. Step 5: Solve for x
    x = 345,078,283,265.91/754,280.75
  6. Step 6: Final answer
    x = 457,493.16

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Double scale
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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.