Home / 670,333.44-1,005,286.49-220,970.55

Finding the Fourth Proportional to 670,333.44, 1,005,286.49 and 220,970.55

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Solution

The fourth proportional to 670,333.44, 1,005,286.49 and 220,970.55 is: 331,385.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,333.44 : 1,005,286.49 = 220,970.55 : x
  2. Step 2: Convert to fraction form
    670,333.44/1,005,286.49 = 220,970.55/x
  3. Step 3: Cross multiply
    670,333.44x = 1,005,286.49 × 220,970.55
  4. Step 4: Simplify right side
    670,333.44x = 222,138,707,498.02
  5. Step 5: Solve for x
    x = 222,138,707,498.02/670,333.44
  6. Step 6: Final answer
    x = 331,385.39

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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.