Home / 648,611.92-972,074.00-263,912.46

Finding the Fourth Proportional to 648,611.92, 972,074.00 and 263,912.46

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Solution

The fourth proportional to 648,611.92, 972,074.00 and 263,912.46 is: 395,525.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,611.92 : 972,074.00 = 263,912.46 : x
  2. Step 2: Convert to fraction form
    648,611.92/972,074.00 = 263,912.46/x
  3. Step 3: Cross multiply
    648,611.92x = 972,074.00 × 263,912.46
  4. Step 4: Simplify right side
    648,611.92x = 256,542,441,639.95
  5. Step 5: Solve for x
    x = 256,542,441,639.95/648,611.92
  6. Step 6: Final answer
    x = 395,525.33

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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.