Home / 754,046.93-1,131,876.08-305,061.23

Finding the Fourth Proportional to 754,046.93, 1,131,876.08 and 305,061.23

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Solution

The fourth proportional to 754,046.93, 1,131,876.08 and 305,061.23 is: 457,917.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,046.93 : 1,131,876.08 = 305,061.23 : x
  2. Step 2: Convert to fraction form
    754,046.93/1,131,876.08 = 305,061.23/x
  3. Step 3: Cross multiply
    754,046.93x = 1,131,876.08 × 305,061.23
  4. Step 4: Simplify right side
    754,046.93x = 345,291,509,172.38
  5. Step 5: Solve for x
    x = 345,291,509,172.38/754,046.93
  6. Step 6: Final answer
    x = 457,917.80

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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.