Home / 647,664.60-970,784.10-226,723.80

Finding the Fourth Proportional to 647,664.60, 970,784.10 and 226,723.80

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Solution

The fourth proportional to 647,664.60, 970,784.10 and 226,723.80 is: 339,836.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,664.60 : 970,784.10 = 226,723.80 : x
  2. Step 2: Convert to fraction form
    647,664.60/970,784.10 = 226,723.80/x
  3. Step 3: Cross multiply
    647,664.60x = 970,784.10 × 226,723.80
  4. Step 4: Simplify right side
    647,664.60x = 220,099,860,131.58
  5. Step 5: Solve for x
    x = 220,099,860,131.58/647,664.60
  6. Step 6: Final answer
    x = 339,836.17

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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.