Home / 831,956.70-1,148,100.33-449,983.50

Finding the Fourth Proportional to 831,956.70, 1,148,100.33 and 449,983.50

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Solution

The fourth proportional to 831,956.70, 1,148,100.33 and 449,983.50 is: 620,977.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,956.70 : 1,148,100.33 = 449,983.50 : x
  2. Step 2: Convert to fraction form
    831,956.70/1,148,100.33 = 449,983.50/x
  3. Step 3: Cross multiply
    831,956.70x = 1,148,100.33 × 449,983.50
  4. Step 4: Simplify right side
    831,956.70x = 516,626,204,844.56
  5. Step 5: Solve for x
    x = 516,626,204,844.56/831,956.70
  6. Step 6: Final answer
    x = 620,977.28

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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.