Home / 682,734.72-1,024,234.20-261,977.88

Finding the Fourth Proportional to 682,734.72, 1,024,234.20 and 261,977.88

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Solution

The fourth proportional to 682,734.72, 1,024,234.20 and 261,977.88 is: 393,017.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,734.72 : 1,024,234.20 = 261,977.88 : x
  2. Step 2: Convert to fraction form
    682,734.72/1,024,234.20 = 261,977.88/x
  3. Step 3: Cross multiply
    682,734.72x = 1,024,234.20 × 261,977.88
  4. Step 4: Simplify right side
    682,734.72x = 268,326,704,339.50
  5. Step 5: Solve for x
    x = 268,326,704,339.50/682,734.72
  6. Step 6: Final answer
    x = 393,017.52

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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.