Home / 902,140.75-1,244,954.24-499,732.75

Finding the Fourth Proportional to 902,140.75, 1,244,954.24 and 499,732.75

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Solution

The fourth proportional to 902,140.75, 1,244,954.24 and 499,732.75 is: 689,631.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,140.75 : 1,244,954.24 = 499,732.75 : x
  2. Step 2: Convert to fraction form
    902,140.75/1,244,954.24 = 499,732.75/x
  3. Step 3: Cross multiply
    902,140.75x = 1,244,954.24 × 499,732.75
  4. Step 4: Simplify right side
    902,140.75x = 622,144,405,979.36
  5. Step 5: Solve for x
    x = 622,144,405,979.36/902,140.75
  6. Step 6: Final answer
    x = 689,631.20

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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.