Home / 711,452.82-1,067,181.03-290,728.74

Finding the Fourth Proportional to 711,452.82, 1,067,181.03 and 290,728.74

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Solution

The fourth proportional to 711,452.82, 1,067,181.03 and 290,728.74 is: 436,093.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,452.82 : 1,067,181.03 = 290,728.74 : x
  2. Step 2: Convert to fraction form
    711,452.82/1,067,181.03 = 290,728.74/x
  3. Step 3: Cross multiply
    711,452.82x = 1,067,181.03 × 290,728.74
  4. Step 4: Simplify right side
    711,452.82x = 310,260,196,203.80
  5. Step 5: Solve for x
    x = 310,260,196,203.80/711,452.82
  6. Step 6: Final answer
    x = 436,093.85

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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.