Home / 670,474.26-1,005,742.26-221,234.40

Finding the Fourth Proportional to 670,474.26, 1,005,742.26 and 221,234.40

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Solution

The fourth proportional to 670,474.26, 1,005,742.26 and 221,234.40 is: 331,861.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,474.26 : 1,005,742.26 = 221,234.40 : x
  2. Step 2: Convert to fraction form
    670,474.26/1,005,742.26 = 221,234.40/x
  3. Step 3: Cross multiply
    670,474.26x = 1,005,742.26 × 221,234.40
  4. Step 4: Simplify right side
    670,474.26x = 222,504,785,445.74
  5. Step 5: Solve for x
    x = 222,504,785,445.74/670,474.26
  6. Step 6: Final answer
    x = 331,861.79

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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.