Home / 667,083.60-1,000,812.47-268,004.61

Finding the Fourth Proportional to 667,083.60, 1,000,812.47 and 268,004.61

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Solution

The fourth proportional to 667,083.60, 1,000,812.47 and 268,004.61 is: 402,082.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,083.60 : 1,000,812.47 = 268,004.61 : x
  2. Step 2: Convert to fraction form
    667,083.60/1,000,812.47 = 268,004.61/x
  3. Step 3: Cross multiply
    667,083.60x = 1,000,812.47 × 268,004.61
  4. Step 4: Simplify right side
    667,083.60x = 268,222,354,365.46
  5. Step 5: Solve for x
    x = 268,222,354,365.46/667,083.60
  6. Step 6: Final answer
    x = 402,082.07

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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.