Home / 631,316.97-871,212.24-344,837.25

Finding the Fourth Proportional to 631,316.97, 871,212.24 and 344,837.25

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Solution

The fourth proportional to 631,316.97, 871,212.24 and 344,837.25 is: 475,872.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,316.97 : 871,212.24 = 344,837.25 : x
  2. Step 2: Convert to fraction form
    631,316.97/871,212.24 = 344,837.25/x
  3. Step 3: Cross multiply
    631,316.97x = 871,212.24 × 344,837.25
  4. Step 4: Simplify right side
    631,316.97x = 300,426,433,007.94
  5. Step 5: Solve for x
    x = 300,426,433,007.94/631,316.97
  6. Step 6: Final answer
    x = 475,872.58

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1.5x scale

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.