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Finding the Fourth Proportional to 580,578.22, 801,153.71 and 325,880.20

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Solution

The fourth proportional to 580,578.22, 801,153.71 and 325,880.20 is: 449,689.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,578.22 : 801,153.71 = 325,880.20 : x
  2. Step 2: Convert to fraction form
    580,578.22/801,153.71 = 325,880.20/x
  3. Step 3: Cross multiply
    580,578.22x = 801,153.71 × 325,880.20
  4. Step 4: Simplify right side
    580,578.22x = 261,080,131,245.54
  5. Step 5: Solve for x
    x = 261,080,131,245.54/580,578.22
  6. Step 6: Final answer
    x = 449,689.85

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1.5x scale

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.