Home / 831,826.05-1,147,923.41-449,852.83

Finding the Fourth Proportional to 831,826.05, 1,147,923.41 and 449,852.83

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Solution

The fourth proportional to 831,826.05, 1,147,923.41 and 449,852.83 is: 620,798.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,826.05 : 1,147,923.41 = 449,852.83 : x
  2. Step 2: Convert to fraction form
    831,826.05/1,147,923.41 = 449,852.83/x
  3. Step 3: Cross multiply
    831,826.05x = 1,147,923.41 × 449,852.83
  4. Step 4: Simplify right side
    831,826.05x = 516,396,595,484.34
  5. Step 5: Solve for x
    x = 516,396,595,484.34/831,826.05
  6. Step 6: Final answer
    x = 620,798.78

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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.