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Finding the Fourth Proportional to 667,586.60, 999,719.12 and 466,967.60

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Solution

The fourth proportional to 667,586.60, 999,719.12 and 466,967.60 is: 699,289.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,586.60 : 999,719.12 = 466,967.60 : x
  2. Step 2: Convert to fraction form
    667,586.60/999,719.12 = 466,967.60/x
  3. Step 3: Cross multiply
    667,586.60x = 999,719.12 × 466,967.60
  4. Step 4: Simplify right side
    667,586.60x = 466,836,438,140.51
  5. Step 5: Solve for x
    x = 466,836,438,140.51/667,586.60
  6. Step 6: Final answer
    x = 699,289.71

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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.