Home / 479,441.37-719,240.09-179,945.49

Finding the Fourth Proportional to 479,441.37, 719,240.09 and 179,945.49

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Solution

The fourth proportional to 479,441.37, 719,240.09 and 179,945.49 is: 269,947.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,441.37 : 719,240.09 = 179,945.49 : x
  2. Step 2: Convert to fraction form
    479,441.37/719,240.09 = 179,945.49/x
  3. Step 3: Cross multiply
    479,441.37x = 719,240.09 × 179,945.49
  4. Step 4: Simplify right side
    479,441.37x = 129,424,009,522.97
  5. Step 5: Solve for x
    x = 129,424,009,522.97/479,441.37
  6. Step 6: Final answer
    x = 269,947.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.