Home / 748,211.20-1,122,807.84-274,900.48

Finding the Fourth Proportional to 748,211.20, 1,122,807.84 and 274,900.48

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Solution

The fourth proportional to 748,211.20, 1,122,807.84 and 274,900.48 is: 412,531.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,211.20 : 1,122,807.84 = 274,900.48 : x
  2. Step 2: Convert to fraction form
    748,211.20/1,122,807.84 = 274,900.48/x
  3. Step 3: Cross multiply
    748,211.20x = 1,122,807.84 × 274,900.48
  4. Step 4: Simplify right side
    748,211.20x = 308,660,414,163.76
  5. Step 5: Solve for x
    x = 308,660,414,163.76/748,211.20
  6. Step 6: Final answer
    x = 412,531.13

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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.