Home / 670,251.45-1,005,522.98-220,895.85

Finding the Fourth Proportional to 670,251.45, 1,005,522.98 and 220,895.85

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Solution

The fourth proportional to 670,251.45, 1,005,522.98 and 220,895.85 is: 331,391.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,251.45 : 1,005,522.98 = 220,895.85 : x
  2. Step 2: Convert to fraction form
    670,251.45/1,005,522.98 = 220,895.85/x
  3. Step 3: Cross multiply
    670,251.45x = 1,005,522.98 × 220,895.85
  4. Step 4: Simplify right side
    670,251.45x = 222,115,852,257.15
  5. Step 5: Solve for x
    x = 222,115,852,257.15/670,251.45
  6. Step 6: Final answer
    x = 331,391.83

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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.