Home / 484,175.44-668,115.20-280,185.84

Finding the Fourth Proportional to 484,175.44, 668,115.20 and 280,185.84

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Solution

The fourth proportional to 484,175.44, 668,115.20 and 280,185.84 is: 386,629.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,175.44 : 668,115.20 = 280,185.84 : x
  2. Step 2: Convert to fraction form
    484,175.44/668,115.20 = 280,185.84/x
  3. Step 3: Cross multiply
    484,175.44x = 668,115.20 × 280,185.84
  4. Step 4: Simplify right side
    484,175.44x = 187,196,418,528.77
  5. Step 5: Solve for x
    x = 187,196,418,528.77/484,175.44
  6. Step 6: Final answer
    x = 386,629.31

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1.5x scale

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.