Home / 682,115.96-1,023,200.94-255,607.22

Finding the Fourth Proportional to 682,115.96, 1,023,200.94 and 255,607.22

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Solution

The fourth proportional to 682,115.96, 1,023,200.94 and 255,607.22 is: 383,420.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,115.96 : 1,023,200.94 = 255,607.22 : x
  2. Step 2: Convert to fraction form
    682,115.96/1,023,200.94 = 255,607.22/x
  3. Step 3: Cross multiply
    682,115.96x = 1,023,200.94 × 255,607.22
  4. Step 4: Simplify right side
    682,115.96x = 261,537,547,774.79
  5. Step 5: Solve for x
    x = 261,537,547,774.79/682,115.96
  6. Step 6: Final answer
    x = 383,420.95

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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.