Home / 831,652.25-1,247,290.24-381,940.81

Finding the Fourth Proportional to 831,652.25, 1,247,290.24 and 381,940.81

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Solution

The fourth proportional to 831,652.25, 1,247,290.24 and 381,940.81 is: 572,824.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,652.25 : 1,247,290.24 = 381,940.81 : x
  2. Step 2: Convert to fraction form
    831,652.25/1,247,290.24 = 381,940.81/x
  3. Step 3: Cross multiply
    831,652.25x = 1,247,290.24 × 381,940.81
  4. Step 4: Simplify right side
    831,652.25x = 476,391,044,570.69
  5. Step 5: Solve for x
    x = 476,391,044,570.69/831,652.25
  6. Step 6: Final answer
    x = 572,824.81

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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.