Home / 823,940.67-1,234,913.01-349,629.60

Finding the Fourth Proportional to 823,940.67, 1,234,913.01 and 349,629.60

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Solution

The fourth proportional to 823,940.67, 1,234,913.01 and 349,629.60 is: 524,020.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,940.67 : 1,234,913.01 = 349,629.60 : x
  2. Step 2: Convert to fraction form
    823,940.67/1,234,913.01 = 349,629.60/x
  3. Step 3: Cross multiply
    823,940.67x = 1,234,913.01 × 349,629.60
  4. Step 4: Simplify right side
    823,940.67x = 431,762,141,721.10
  5. Step 5: Solve for x
    x = 431,762,141,721.10/823,940.67
  6. Step 6: Final answer
    x = 524,020.91

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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.