Home / 631,174.71-871,028.03-344,703.23

Finding the Fourth Proportional to 631,174.71, 871,028.03 and 344,703.23

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Solution

The fourth proportional to 631,174.71, 871,028.03 and 344,703.23 is: 475,694.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,174.71 : 871,028.03 = 344,703.23 : x
  2. Step 2: Convert to fraction form
    631,174.71/871,028.03 = 344,703.23/x
  3. Step 3: Cross multiply
    631,174.71x = 871,028.03 × 344,703.23
  4. Step 4: Simplify right side
    631,174.71x = 300,246,175,361.54
  5. Step 5: Solve for x
    x = 300,246,175,361.54/631,174.71
  6. Step 6: Final answer
    x = 475,694.24

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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.