Home / 891,214.30-1,336,231.05-492,046.30

Finding the Fourth Proportional to 891,214.30, 1,336,231.05 and 492,046.30

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Solution

The fourth proportional to 891,214.30, 1,336,231.05 and 492,046.30 is: 737,743.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,214.30 : 1,336,231.05 = 492,046.30 : x
  2. Step 2: Convert to fraction form
    891,214.30/1,336,231.05 = 492,046.30/x
  3. Step 3: Cross multiply
    891,214.30x = 1,336,231.05 × 492,046.30
  4. Step 4: Simplify right side
    891,214.30x = 657,487,544,097.62
  5. Step 5: Solve for x
    x = 657,487,544,097.62/891,214.30
  6. Step 6: Final answer
    x = 737,743.49

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Double scale
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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.