Home / 468,739.44-646,821.45-275,126.22

Finding the Fourth Proportional to 468,739.44, 646,821.45 and 275,126.22

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Solution

The fourth proportional to 468,739.44, 646,821.45 and 275,126.22 is: 379,651.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,739.44 : 646,821.45 = 275,126.22 : x
  2. Step 2: Convert to fraction form
    468,739.44/646,821.45 = 275,126.22/x
  3. Step 3: Cross multiply
    468,739.44x = 646,821.45 × 275,126.22
  4. Step 4: Simplify right side
    468,739.44x = 177,957,540,553.42
  5. Step 5: Solve for x
    x = 177,957,540,553.42/468,739.44
  6. Step 6: Final answer
    x = 379,651.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.