Home / 831,579.48-1,147,581.33-449,606.26

Finding the Fourth Proportional to 831,579.48, 1,147,581.33 and 449,606.26

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Solution

The fourth proportional to 831,579.48, 1,147,581.33 and 449,606.26 is: 620,457.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,579.48 : 1,147,581.33 = 449,606.26 : x
  2. Step 2: Convert to fraction form
    831,579.48/1,147,581.33 = 449,606.26/x
  3. Step 3: Cross multiply
    831,579.48x = 1,147,581.33 × 449,606.26
  4. Step 4: Simplify right side
    831,579.48x = 515,959,746,958.17
  5. Step 5: Solve for x
    x = 515,959,746,958.17/831,579.48
  6. Step 6: Final answer
    x = 620,457.53

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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.