Home / 450,664.04-622,072.92-278,713.64

Finding the Fourth Proportional to 450,664.04, 622,072.92 and 278,713.64

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Solution

The fourth proportional to 450,664.04, 622,072.92 and 278,713.64 is: 384,721.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,664.04 : 622,072.92 = 278,713.64 : x
  2. Step 2: Convert to fraction form
    450,664.04/622,072.92 = 278,713.64/x
  3. Step 3: Cross multiply
    450,664.04x = 622,072.92 × 278,713.64
  4. Step 4: Simplify right side
    450,664.04x = 173,380,207,878.63
  5. Step 5: Solve for x
    x = 173,380,207,878.63/450,664.04
  6. Step 6: Final answer
    x = 384,721.64

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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.