Home / 831,181.74-1,147,036.05-449,207.61

Finding the Fourth Proportional to 831,181.74, 1,147,036.05 and 449,207.61

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Solution

The fourth proportional to 831,181.74, 1,147,036.05 and 449,207.61 is: 619,909.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,181.74 : 1,147,036.05 = 449,207.61 : x
  2. Step 2: Convert to fraction form
    831,181.74/1,147,036.05 = 449,207.61/x
  3. Step 3: Cross multiply
    831,181.74x = 1,147,036.05 × 449,207.61
  4. Step 4: Simplify right side
    831,181.74x = 515,257,322,604.34
  5. Step 5: Solve for x
    x = 515,257,322,604.34/831,181.74
  6. Step 6: Final answer
    x = 619,909.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.