Home / 631,013.23-870,791.66-344,532.43

Finding the Fourth Proportional to 631,013.23, 870,791.66 and 344,532.43

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Solution

The fourth proportional to 631,013.23, 870,791.66 and 344,532.43 is: 475,451.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,013.23 : 870,791.66 = 344,532.43 : x
  2. Step 2: Convert to fraction form
    631,013.23/870,791.66 = 344,532.43/x
  3. Step 3: Cross multiply
    631,013.23x = 870,791.66 × 344,532.43
  4. Step 4: Simplify right side
    631,013.23x = 300,015,964,035.89
  5. Step 5: Solve for x
    x = 300,015,964,035.89/631,013.23
  6. Step 6: Final answer
    x = 475,451.15

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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.