Home / 890,414.20-1,229,197.20-508,367.20

Finding the Fourth Proportional to 890,414.20, 1,229,197.20 and 508,367.20

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Solution

The fourth proportional to 890,414.20, 1,229,197.20 and 508,367.20 is: 701,789.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,414.20 : 1,229,197.20 = 508,367.20 : x
  2. Step 2: Convert to fraction form
    890,414.20/1,229,197.20 = 508,367.20/x
  3. Step 3: Cross multiply
    890,414.20x = 1,229,197.20 × 508,367.20
  4. Step 4: Simplify right side
    890,414.20x = 624,883,538,811.84
  5. Step 5: Solve for x
    x = 624,883,538,811.84/890,414.20
  6. Step 6: Final answer
    x = 701,789.73

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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.