Home / 939,964.88-1,410,180.60-275,116.88

Finding the Fourth Proportional to 939,964.88, 1,410,180.60 and 275,116.88

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Solution

The fourth proportional to 939,964.88, 1,410,180.60 and 275,116.88 is: 412,743.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,964.88 : 1,410,180.60 = 275,116.88 : x
  2. Step 2: Convert to fraction form
    939,964.88/1,410,180.60 = 275,116.88/x
  3. Step 3: Cross multiply
    939,964.88x = 1,410,180.60 × 275,116.88
  4. Step 4: Simplify right side
    939,964.88x = 387,964,486,908.53
  5. Step 5: Solve for x
    x = 387,964,486,908.53/939,964.88
  6. Step 6: Final answer
    x = 412,743.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.