Home / 682,242.40-1,023,946.80-303,745.60

Finding the Fourth Proportional to 682,242.40, 1,023,946.80 and 303,745.60

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Solution

The fourth proportional to 682,242.40, 1,023,946.80 and 303,745.60 is: 455,878.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,242.40 : 1,023,946.80 = 303,745.60 : x
  2. Step 2: Convert to fraction form
    682,242.40/1,023,946.80 = 303,745.60/x
  3. Step 3: Cross multiply
    682,242.40x = 1,023,946.80 × 303,745.60
  4. Step 4: Simplify right side
    682,242.40x = 311,019,335,134.08
  5. Step 5: Solve for x
    x = 311,019,335,134.08/682,242.40
  6. Step 6: Final answer
    x = 455,878.05

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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.