Home / 717,738.96-1,076,608.41-212,260.56

Finding the Fourth Proportional to 717,738.96, 1,076,608.41 and 212,260.56

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Solution

The fourth proportional to 717,738.96, 1,076,608.41 and 212,260.56 is: 318,390.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,738.96 : 1,076,608.41 = 212,260.56 : x
  2. Step 2: Convert to fraction form
    717,738.96/1,076,608.41 = 212,260.56/x
  3. Step 3: Cross multiply
    717,738.96x = 1,076,608.41 × 212,260.56
  4. Step 4: Simplify right side
    717,738.96x = 228,521,504,007.31
  5. Step 5: Solve for x
    x = 228,521,504,007.31/717,738.96
  6. Step 6: Final answer
    x = 318,390.83

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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.