Home / 748,665-1,122,323.58-275,249.16

Finding the Fourth Proportional to 748,665, 1,122,323.58 and 275,249.16

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Solution

The fourth proportional to 748,665, 1,122,323.58 and 275,249.16 is: 412,625.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,665 : 1,122,323.58 = 275,249.16 : x
  2. Step 2: Convert to fraction form
    748,665/1,122,323.58 = 275,249.16/x
  3. Step 3: Cross multiply
    748,665x = 1,122,323.58 × 275,249.16
  4. Step 4: Simplify right side
    748,665x = 308,918,622,643.19
  5. Step 5: Solve for x
    x = 308,918,622,643.19/748,665
  6. Step 6: Final answer
    x = 412,625.97

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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.