Home / 484,402.28-668,198.82-290,758.44

Finding the Fourth Proportional to 484,402.28, 668,198.82 and 290,758.44

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Solution

The fourth proportional to 484,402.28, 668,198.82 and 290,758.44 is: 401,080.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,402.28 : 668,198.82 = 290,758.44 : x
  2. Step 2: Convert to fraction form
    484,402.28/668,198.82 = 290,758.44/x
  3. Step 3: Cross multiply
    484,402.28x = 668,198.82 × 290,758.44
  4. Step 4: Simplify right side
    484,402.28x = 194,284,446,513.04
  5. Step 5: Solve for x
    x = 194,284,446,513.04/484,402.28
  6. Step 6: Final answer
    x = 401,080.78

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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.