Home / 726,631.50-1,090,122.30-227,995.50

Finding the Fourth Proportional to 726,631.50, 1,090,122.30 and 227,995.50

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Solution

The fourth proportional to 726,631.50, 1,090,122.30 and 227,995.50 is: 342,048.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,631.50 : 1,090,122.30 = 227,995.50 : x
  2. Step 2: Convert to fraction form
    726,631.50/1,090,122.30 = 227,995.50/x
  3. Step 3: Cross multiply
    726,631.50x = 1,090,122.30 × 227,995.50
  4. Step 4: Simplify right side
    726,631.50x = 248,542,978,849.65
  5. Step 5: Solve for x
    x = 248,542,978,849.65/726,631.50
  6. Step 6: Final answer
    x = 342,048.18

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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.