Home / 413,086.60-619,629.90-308,110.60

Finding the Fourth Proportional to 413,086.60, 619,629.90 and 308,110.60

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Solution

The fourth proportional to 413,086.60, 619,629.90 and 308,110.60 is: 462,165.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,086.60 : 619,629.90 = 308,110.60 : x
  2. Step 2: Convert to fraction form
    413,086.60/619,629.90 = 308,110.60/x
  3. Step 3: Cross multiply
    413,086.60x = 619,629.90 × 308,110.60
  4. Step 4: Simplify right side
    413,086.60x = 190,914,540,266.94
  5. Step 5: Solve for x
    x = 190,914,540,266.94/413,086.60
  6. Step 6: Final answer
    x = 462,165.90

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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.