Home / 929,872.80-1,394,809.20-298,850.40

Finding the Fourth Proportional to 929,872.80, 1,394,809.20 and 298,850.40

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Solution

The fourth proportional to 929,872.80, 1,394,809.20 and 298,850.40 is: 448,275.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,872.80 : 1,394,809.20 = 298,850.40 : x
  2. Step 2: Convert to fraction form
    929,872.80/1,394,809.20 = 298,850.40/x
  3. Step 3: Cross multiply
    929,872.80x = 1,394,809.20 × 298,850.40
  4. Step 4: Simplify right side
    929,872.80x = 416,839,287,343.68
  5. Step 5: Solve for x
    x = 416,839,287,343.68/929,872.80
  6. Step 6: Final answer
    x = 448,275.60

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Similar ratio
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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.