Home / 947,777.25-1,421,914.82-340,626.84

Finding the Fourth Proportional to 947,777.25, 1,421,914.82 and 340,626.84

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Solution

The fourth proportional to 947,777.25, 1,421,914.82 and 340,626.84 is: 511,029.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,777.25 : 1,421,914.82 = 340,626.84 : x
  2. Step 2: Convert to fraction form
    947,777.25/1,421,914.82 = 340,626.84/x
  3. Step 3: Cross multiply
    947,777.25x = 1,421,914.82 × 340,626.84
  4. Step 4: Simplify right side
    947,777.25x = 484,342,351,885.77
  5. Step 5: Solve for x
    x = 484,342,351,885.77/947,777.25
  6. Step 6: Final answer
    x = 511,029.73

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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.