Home / 748,074.24-1,122,257.70-274,763.16

Finding the Fourth Proportional to 748,074.24, 1,122,257.70 and 274,763.16

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Solution

The fourth proportional to 748,074.24, 1,122,257.70 and 274,763.16 is: 412,198.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,074.24 : 1,122,257.70 = 274,763.16 : x
  2. Step 2: Convert to fraction form
    748,074.24/1,122,257.70 = 274,763.16/x
  3. Step 3: Cross multiply
    748,074.24x = 1,122,257.70 × 274,763.16
  4. Step 4: Simplify right side
    748,074.24x = 308,355,071,986.33
  5. Step 5: Solve for x
    x = 308,355,071,986.33/748,074.24
  6. Step 6: Final answer
    x = 412,198.49

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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.