Home / 670,072.08-1,005,231.26-220,819.44

Finding the Fourth Proportional to 670,072.08, 1,005,231.26 and 220,819.44

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Solution

The fourth proportional to 670,072.08, 1,005,231.26 and 220,819.44 is: 331,269.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,072.08 : 1,005,231.26 = 220,819.44 : x
  2. Step 2: Convert to fraction form
    670,072.08/1,005,231.26 = 220,819.44/x
  3. Step 3: Cross multiply
    670,072.08x = 1,005,231.26 × 220,819.44
  4. Step 4: Simplify right side
    670,072.08x = 221,974,603,903.69
  5. Step 5: Solve for x
    x = 221,974,603,903.69/670,072.08
  6. Step 6: Final answer
    x = 331,269.74

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1.5x scale

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.