Home / 831,049.71-1,246,611.90-254,630.75

Finding the Fourth Proportional to 831,049.71, 1,246,611.90 and 254,630.75

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Solution

The fourth proportional to 831,049.71, 1,246,611.90 and 254,630.75 is: 381,957.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,049.71 : 1,246,611.90 = 254,630.75 : x
  2. Step 2: Convert to fraction form
    831,049.71/1,246,611.90 = 254,630.75/x
  3. Step 3: Cross multiply
    831,049.71x = 1,246,611.90 × 254,630.75
  4. Step 4: Simplify right side
    831,049.71x = 317,425,724,394.52
  5. Step 5: Solve for x
    x = 317,425,724,394.52/831,049.71
  6. Step 6: Final answer
    x = 381,957.57

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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.