Home / 682,839.45-1,024,370.43-256,408.29

Finding the Fourth Proportional to 682,839.45, 1,024,370.43 and 256,408.29

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Solution

The fourth proportional to 682,839.45, 1,024,370.43 and 256,408.29 is: 384,654.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,839.45 : 1,024,370.43 = 256,408.29 : x
  2. Step 2: Convert to fraction form
    682,839.45/1,024,370.43 = 256,408.29/x
  3. Step 3: Cross multiply
    682,839.45x = 1,024,370.43 × 256,408.29
  4. Step 4: Simplify right side
    682,839.45x = 262,657,070,282.87
  5. Step 5: Solve for x
    x = 262,657,070,282.87/682,839.45
  6. Step 6: Final answer
    x = 384,654.21

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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.