Home / 631,422.04-871,375.26-344,960.68

Finding the Fourth Proportional to 631,422.04, 871,375.26 and 344,960.68

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Solution

The fourth proportional to 631,422.04, 871,375.26 and 344,960.68 is: 476,052.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,422.04 : 871,375.26 = 344,960.68 : x
  2. Step 2: Convert to fraction form
    631,422.04/871,375.26 = 344,960.68/x
  3. Step 3: Cross multiply
    631,422.04x = 871,375.26 × 344,960.68
  4. Step 4: Simplify right side
    631,422.04x = 300,590,202,224.78
  5. Step 5: Solve for x
    x = 300,590,202,224.78/631,422.04
  6. Step 6: Final answer
    x = 476,052.76

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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.