Home / 572,968.28-790,649.94-331,266.43

Finding the Fourth Proportional to 572,968.28, 790,649.94 and 331,266.43

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Solution

The fourth proportional to 572,968.28, 790,649.94 and 331,266.43 is: 457,120.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,968.28 : 790,649.94 = 331,266.43 : x
  2. Step 2: Convert to fraction form
    572,968.28/790,649.94 = 331,266.43/x
  3. Step 3: Cross multiply
    572,968.28x = 790,649.94 × 331,266.43
  4. Step 4: Simplify right side
    572,968.28x = 261,915,780,786.67
  5. Step 5: Solve for x
    x = 261,915,780,786.67/572,968.28
  6. Step 6: Final answer
    x = 457,120.91

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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.