Home / 836,002.60-1,253,608.89-323,907.64

Finding the Fourth Proportional to 836,002.60, 1,253,608.89 and 323,907.64

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Solution

The fourth proportional to 836,002.60, 1,253,608.89 and 323,907.64 is: 485,708.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,002.60 : 1,253,608.89 = 323,907.64 : x
  2. Step 2: Convert to fraction form
    836,002.60/1,253,608.89 = 323,907.64/x
  3. Step 3: Cross multiply
    836,002.60x = 1,253,608.89 × 323,907.64
  4. Step 4: Simplify right side
    836,002.60x = 406,053,497,042.92
  5. Step 5: Solve for x
    x = 406,053,497,042.92/836,002.60
  6. Step 6: Final answer
    x = 485,708.41

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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.