Home / 675,137.88-1,013,205.24-320,153.09

Finding the Fourth Proportional to 675,137.88, 1,013,205.24 and 320,153.09

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Solution

The fourth proportional to 675,137.88, 1,013,205.24 and 320,153.09 is: 480,465.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,137.88 : 1,013,205.24 = 320,153.09 : x
  2. Step 2: Convert to fraction form
    675,137.88/1,013,205.24 = 320,153.09/x
  3. Step 3: Cross multiply
    675,137.88x = 1,013,205.24 × 320,153.09
  4. Step 4: Simplify right side
    675,137.88x = 324,380,783,324.17
  5. Step 5: Solve for x
    x = 324,380,783,324.17/675,137.88
  6. Step 6: Final answer
    x = 480,465.98

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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.