Home / 717,469.21-1,076,336.25-296,777.89

Finding the Fourth Proportional to 717,469.21, 1,076,336.25 and 296,777.89

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Solution

The fourth proportional to 717,469.21, 1,076,336.25 and 296,777.89 is: 445,221.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,469.21 : 1,076,336.25 = 296,777.89 : x
  2. Step 2: Convert to fraction form
    717,469.21/1,076,336.25 = 296,777.89/x
  3. Step 3: Cross multiply
    717,469.21x = 1,076,336.25 × 296,777.89
  4. Step 4: Simplify right side
    717,469.21x = 319,432,803,107.39
  5. Step 5: Solve for x
    x = 319,432,803,107.39/717,469.21
  6. Step 6: Final answer
    x = 445,221.62

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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.