Home / 787,436.82-1,181,343.36-254,958.42

Finding the Fourth Proportional to 787,436.82, 1,181,343.36 and 254,958.42

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Solution

The fourth proportional to 787,436.82, 1,181,343.36 and 254,958.42 is: 382,498.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,436.82 : 1,181,343.36 = 254,958.42 : x
  2. Step 2: Convert to fraction form
    787,436.82/1,181,343.36 = 254,958.42/x
  3. Step 3: Cross multiply
    787,436.82x = 1,181,343.36 × 254,958.42
  4. Step 4: Simplify right side
    787,436.82x = 301,193,436,543.09
  5. Step 5: Solve for x
    x = 301,193,436,543.09/787,436.82
  6. Step 6: Final answer
    x = 382,498.54

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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.