Home / 451,226.86-622,976.20-290,361.46

Finding the Fourth Proportional to 451,226.86, 622,976.20 and 290,361.46

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Solution

The fourth proportional to 451,226.86, 622,976.20 and 290,361.46 is: 400,881.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,226.86 : 622,976.20 = 290,361.46 : x
  2. Step 2: Convert to fraction form
    451,226.86/622,976.20 = 290,361.46/x
  3. Step 3: Cross multiply
    451,226.86x = 622,976.20 × 290,361.46
  4. Step 4: Simplify right side
    451,226.86x = 180,888,278,977.25
  5. Step 5: Solve for x
    x = 180,888,278,977.25/451,226.86
  6. Step 6: Final answer
    x = 400,881.01

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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.