Home / 451,441.52-622,975.80-247,485.46

Finding the Fourth Proportional to 451,441.52, 622,975.80 and 247,485.46

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Solution

The fourth proportional to 451,441.52, 622,975.80 and 247,485.46 is: 341,522.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,441.52 : 622,975.80 = 247,485.46 : x
  2. Step 2: Convert to fraction form
    451,441.52/622,975.80 = 247,485.46/x
  3. Step 3: Cross multiply
    451,441.52x = 622,975.80 × 247,485.46
  4. Step 4: Simplify right side
    451,441.52x = 154,177,452,431.87
  5. Step 5: Solve for x
    x = 154,177,452,431.87/451,441.52
  6. Step 6: Final answer
    x = 341,522.54

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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.