Home / 668,269.20-1,002,389.40-445,059.60

Finding the Fourth Proportional to 668,269.20, 1,002,389.40 and 445,059.60

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Solution

The fourth proportional to 668,269.20, 1,002,389.40 and 445,059.60 is: 667,579.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,269.20 : 1,002,389.40 = 445,059.60 : x
  2. Step 2: Convert to fraction form
    668,269.20/1,002,389.40 = 445,059.60/x
  3. Step 3: Cross multiply
    668,269.20x = 1,002,389.40 × 445,059.60
  4. Step 4: Simplify right side
    668,269.20x = 446,123,025,408.24
  5. Step 5: Solve for x
    x = 446,123,025,408.24/668,269.20
  6. Step 6: Final answer
    x = 667,579.81

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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.