Home / 818,027.70-1,227,236.28-412,222.83

Finding the Fourth Proportional to 818,027.70, 1,227,236.28 and 412,222.83

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Solution

The fourth proportional to 818,027.70, 1,227,236.28 and 412,222.83 is: 618,432.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,027.70 : 1,227,236.28 = 412,222.83 : x
  2. Step 2: Convert to fraction form
    818,027.70/1,227,236.28 = 412,222.83/x
  3. Step 3: Cross multiply
    818,027.70x = 1,227,236.28 × 412,222.83
  4. Step 4: Simplify right side
    818,027.70x = 505,894,812,420.27
  5. Step 5: Solve for x
    x = 505,894,812,420.27/818,027.70
  6. Step 6: Final answer
    x = 618,432.37

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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.