Home / 479,409.44-661,622.38-275,531.50

Finding the Fourth Proportional to 479,409.44, 661,622.38 and 275,531.50

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Solution

The fourth proportional to 479,409.44, 661,622.38 and 275,531.50 is: 380,254.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,409.44 : 661,622.38 = 275,531.50 : x
  2. Step 2: Convert to fraction form
    479,409.44/661,622.38 = 275,531.50/x
  3. Step 3: Cross multiply
    479,409.44x = 661,622.38 × 275,531.50
  4. Step 4: Simplify right side
    479,409.44x = 182,297,804,452.09
  5. Step 5: Solve for x
    x = 182,297,804,452.09/479,409.44
  6. Step 6: Final answer
    x = 380,254.93

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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.