Home / 605,039.20-907,558.80-463,321.60

Finding the Fourth Proportional to 605,039.20, 907,558.80 and 463,321.60

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Solution

The fourth proportional to 605,039.20, 907,558.80 and 463,321.60 is: 694,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,039.20 : 907,558.80 = 463,321.60 : x
  2. Step 2: Convert to fraction form
    605,039.20/907,558.80 = 463,321.60/x
  3. Step 3: Cross multiply
    605,039.20x = 907,558.80 × 463,321.60
  4. Step 4: Simplify right side
    605,039.20x = 420,491,595,310.08
  5. Step 5: Solve for x
    x = 420,491,595,310.08/605,039.20
  6. Step 6: Final answer
    x = 694,982.40

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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.