Home / 891,213.30-1,336,229.55-492,045.30

Finding the Fourth Proportional to 891,213.30, 1,336,229.55 and 492,045.30

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Solution

The fourth proportional to 891,213.30, 1,336,229.55 and 492,045.30 is: 737,741.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,213.30 : 1,336,229.55 = 492,045.30 : x
  2. Step 2: Convert to fraction form
    891,213.30/1,336,229.55 = 492,045.30/x
  3. Step 3: Cross multiply
    891,213.30x = 1,336,229.55 × 492,045.30
  4. Step 4: Simplify right side
    891,213.30x = 657,485,469,798.62
  5. Step 5: Solve for x
    x = 657,485,469,798.62/891,213.30
  6. Step 6: Final answer
    x = 737,741.99

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Double scale
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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.