Home / 682,415.20-1,023,622.80-303,335.20

Finding the Fourth Proportional to 682,415.20, 1,023,622.80 and 303,335.20

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Solution

The fourth proportional to 682,415.20, 1,023,622.80 and 303,335.20 is: 455,002.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,415.20 : 1,023,622.80 = 303,335.20 : x
  2. Step 2: Convert to fraction form
    682,415.20/1,023,622.80 = 303,335.20/x
  3. Step 3: Cross multiply
    682,415.20x = 1,023,622.80 × 303,335.20
  4. Step 4: Simplify right side
    682,415.20x = 310,500,826,762.56
  5. Step 5: Solve for x
    x = 310,500,826,762.56/682,415.20
  6. Step 6: Final answer
    x = 455,002.80

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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.