Home / 631,736.06-871,795.85-345,256.07

Finding the Fourth Proportional to 631,736.06, 871,795.85 and 345,256.07

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Solution

The fourth proportional to 631,736.06, 871,795.85 and 345,256.07 is: 476,453.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,736.06 : 871,795.85 = 345,256.07 : x
  2. Step 2: Convert to fraction form
    631,736.06/871,795.85 = 345,256.07/x
  3. Step 3: Cross multiply
    631,736.06x = 871,795.85 × 345,256.07
  4. Step 4: Simplify right side
    631,736.06x = 300,992,802,928.05
  5. Step 5: Solve for x
    x = 300,992,802,928.05/631,736.06
  6. Step 6: Final answer
    x = 476,453.42

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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.