Home / 831,309.43-1,243,850.23-591,976.45

Finding the Fourth Proportional to 831,309.43, 1,243,850.23 and 591,976.45

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Solution

The fourth proportional to 831,309.43, 1,243,850.23 and 591,976.45 is: 885,747.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,309.43 : 1,243,850.23 = 591,976.45 : x
  2. Step 2: Convert to fraction form
    831,309.43/1,243,850.23 = 591,976.45/x
  3. Step 3: Cross multiply
    831,309.43x = 1,243,850.23 × 591,976.45
  4. Step 4: Simplify right side
    831,309.43x = 736,330,043,487.08
  5. Step 5: Solve for x
    x = 736,330,043,487.08/831,309.43
  6. Step 6: Final answer
    x = 885,747.25

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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.