Home / 831,548.73-1,147,576.31-468,965.09

Finding the Fourth Proportional to 831,548.73, 1,147,576.31 and 468,965.09

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Solution

The fourth proportional to 831,548.73, 1,147,576.31 and 468,965.09 is: 647,193.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,548.73 : 1,147,576.31 = 468,965.09 : x
  2. Step 2: Convert to fraction form
    831,548.73/1,147,576.31 = 468,965.09/x
  3. Step 3: Cross multiply
    831,548.73x = 1,147,576.31 × 468,965.09
  4. Step 4: Simplify right side
    831,548.73x = 538,173,229,783.75
  5. Step 5: Solve for x
    x = 538,173,229,783.75/831,548.73
  6. Step 6: Final answer
    x = 647,193.85

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Why These Related Problems?

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