Home / 683,668.85-1,025,158.22-323,732.39

Finding the Fourth Proportional to 683,668.85, 1,025,158.22 and 323,732.39

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Solution

The fourth proportional to 683,668.85, 1,025,158.22 and 323,732.39 is: 485,435.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,668.85 : 1,025,158.22 = 323,732.39 : x
  2. Step 2: Convert to fraction form
    683,668.85/1,025,158.22 = 323,732.39/x
  3. Step 3: Cross multiply
    683,668.85x = 1,025,158.22 × 323,732.39
  4. Step 4: Simplify right side
    683,668.85x = 331,876,919,070.08
  5. Step 5: Solve for x
    x = 331,876,919,070.08/683,668.85
  6. Step 6: Final answer
    x = 485,435.19

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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.