Home / 733,163.40-1,099,745.10-721,353.60

Finding the Fourth Proportional to 733,163.40, 1,099,745.10 and 721,353.60

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Solution

The fourth proportional to 733,163.40, 1,099,745.10 and 721,353.60 is: 1,082,030.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,163.40 : 1,099,745.10 = 721,353.60 : x
  2. Step 2: Convert to fraction form
    733,163.40/1,099,745.10 = 721,353.60/x
  3. Step 3: Cross multiply
    733,163.40x = 1,099,745.10 × 721,353.60
  4. Step 4: Simplify right side
    733,163.40x = 793,305,086,967.36
  5. Step 5: Solve for x
    x = 793,305,086,967.36/733,163.40
  6. Step 6: Final answer
    x = 1,082,030.40

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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.