Home / 831,348.24-1,147,265.82-449,374.11

Finding the Fourth Proportional to 831,348.24, 1,147,265.82 and 449,374.11

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Solution

The fourth proportional to 831,348.24, 1,147,265.82 and 449,374.11 is: 620,139.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,348.24 : 1,147,265.82 = 449,374.11 : x
  2. Step 2: Convert to fraction form
    831,348.24/1,147,265.82 = 449,374.11/x
  3. Step 3: Cross multiply
    831,348.24x = 1,147,265.82 × 449,374.11
  4. Step 4: Simplify right side
    831,348.24x = 515,551,556,795.92
  5. Step 5: Solve for x
    x = 515,551,556,795.92/831,348.24
  6. Step 6: Final answer
    x = 620,139.11

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1.5x scale

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.