Home / 891,349.82-1,336,540.87-404,764.80

Finding the Fourth Proportional to 891,349.82, 1,336,540.87 and 404,764.80

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Solution

The fourth proportional to 891,349.82, 1,336,540.87 and 404,764.80 is: 606,927.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,349.82 : 1,336,540.87 = 404,764.80 : x
  2. Step 2: Convert to fraction form
    891,349.82/1,336,540.87 = 404,764.80/x
  3. Step 3: Cross multiply
    891,349.82x = 1,336,540.87 × 404,764.80
  4. Step 4: Simplify right side
    891,349.82x = 540,984,693,431.30
  5. Step 5: Solve for x
    x = 540,984,693,431.30/891,349.82
  6. Step 6: Final answer
    x = 606,927.47

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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.