Home / 756,771.72-1,135,896.30-624,994.44

Finding the Fourth Proportional to 756,771.72, 1,135,896.30 and 624,994.44

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Solution

The fourth proportional to 756,771.72, 1,135,896.30 and 624,994.44 is: 938,101.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,771.72 : 1,135,896.30 = 624,994.44 : x
  2. Step 2: Convert to fraction form
    756,771.72/1,135,896.30 = 624,994.44/x
  3. Step 3: Cross multiply
    756,771.72x = 1,135,896.30 × 624,994.44
  4. Step 4: Simplify right side
    756,771.72x = 709,928,871,916.57
  5. Step 5: Solve for x
    x = 709,928,871,916.57/756,771.72
  6. Step 6: Final answer
    x = 938,101.75

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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.