Home / 890,992.60-1,336,229.70-491,824.60

Finding the Fourth Proportional to 890,992.60, 1,336,229.70 and 491,824.60

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Solution

The fourth proportional to 890,992.60, 1,336,229.70 and 491,824.60 is: 737,593.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,992.60 : 1,336,229.70 = 491,824.60 : x
  2. Step 2: Convert to fraction form
    890,992.60/1,336,229.70 = 491,824.60/x
  3. Step 3: Cross multiply
    890,992.60x = 1,336,229.70 × 491,824.60
  4. Step 4: Simplify right side
    890,992.60x = 657,190,637,710.62
  5. Step 5: Solve for x
    x = 657,190,637,710.62/890,992.60
  6. Step 6: Final answer
    x = 737,593.82

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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.