Home / 831,552.46-1,147,542.27-449,579.25

Finding the Fourth Proportional to 831,552.46, 1,147,542.27 and 449,579.25

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Solution

The fourth proportional to 831,552.46, 1,147,542.27 and 449,579.25 is: 620,419.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,552.46 : 1,147,542.27 = 449,579.25 : x
  2. Step 2: Convert to fraction form
    831,552.46/1,147,542.27 = 449,579.25/x
  3. Step 3: Cross multiply
    831,552.46x = 1,147,542.27 × 449,579.25
  4. Step 4: Simplify right side
    831,552.46x = 515,911,193,089.90
  5. Step 5: Solve for x
    x = 515,911,193,089.90/831,552.46
  6. Step 6: Final answer
    x = 620,419.30

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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.