Home / 901,589-1,244,231.70-499,181

Finding the Fourth Proportional to 901,589, 1,244,231.70 and 499,181

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Solution

The fourth proportional to 901,589, 1,244,231.70 and 499,181 is: 688,891.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,589 : 1,244,231.70 = 499,181 : x
  2. Step 2: Convert to fraction form
    901,589/1,244,231.70 = 499,181/x
  3. Step 3: Cross multiply
    901,589x = 1,244,231.70 × 499,181
  4. Step 4: Simplify right side
    901,589x = 621,096,824,237.70
  5. Step 5: Solve for x
    x = 621,096,824,237.70/901,589
  6. Step 6: Final answer
    x = 688,891.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.