Home / 403,966.72-557,470.92-220,204.84

Finding the Fourth Proportional to 403,966.72, 557,470.92 and 220,204.84

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Solution

The fourth proportional to 403,966.72, 557,470.92 and 220,204.84 is: 303,880.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,966.72 : 557,470.92 = 220,204.84 : x
  2. Step 2: Convert to fraction form
    403,966.72/557,470.92 = 220,204.84/x
  3. Step 3: Cross multiply
    403,966.72x = 557,470.92 × 220,204.84
  4. Step 4: Simplify right side
    403,966.72x = 122,757,794,743.25
  5. Step 5: Solve for x
    x = 122,757,794,743.25/403,966.72
  6. Step 6: Final answer
    x = 303,880.96

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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.