Home / 748,345.26-1,122,517.89-274,825.74

Finding the Fourth Proportional to 748,345.26, 1,122,517.89 and 274,825.74

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Solution

The fourth proportional to 748,345.26, 1,122,517.89 and 274,825.74 is: 412,238.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,345.26 : 1,122,517.89 = 274,825.74 : x
  2. Step 2: Convert to fraction form
    748,345.26/1,122,517.89 = 274,825.74/x
  3. Step 3: Cross multiply
    748,345.26x = 1,122,517.89 × 274,825.74
  4. Step 4: Simplify right side
    748,345.26x = 308,496,809,782.49
  5. Step 5: Solve for x
    x = 308,496,809,782.49/748,345.26
  6. Step 6: Final answer
    x = 412,238.61

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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.