Home / 762,621.56-1,143,940.50-230,147.36

Finding the Fourth Proportional to 762,621.56, 1,143,940.50 and 230,147.36

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Solution

The fourth proportional to 762,621.56, 1,143,940.50 and 230,147.36 is: 345,223.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,621.56 : 1,143,940.50 = 230,147.36 : x
  2. Step 2: Convert to fraction form
    762,621.56/1,143,940.50 = 230,147.36/x
  3. Step 3: Cross multiply
    762,621.56x = 1,143,940.50 × 230,147.36
  4. Step 4: Simplify right side
    762,621.56x = 263,274,886,072.08
  5. Step 5: Solve for x
    x = 263,274,886,072.08/762,621.56
  6. Step 6: Final answer
    x = 345,223.50

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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.