Home / 682,940.10-1,024,410.15-256,475.10

Finding the Fourth Proportional to 682,940.10, 1,024,410.15 and 256,475.10

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Solution

The fourth proportional to 682,940.10, 1,024,410.15 and 256,475.10 is: 384,712.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,940.10 : 1,024,410.15 = 256,475.10 : x
  2. Step 2: Convert to fraction form
    682,940.10/1,024,410.15 = 256,475.10/x
  3. Step 3: Cross multiply
    682,940.10x = 1,024,410.15 × 256,475.10
  4. Step 4: Simplify right side
    682,940.10x = 262,735,695,662.27
  5. Step 5: Solve for x
    x = 262,735,695,662.27/682,940.10
  6. Step 6: Final answer
    x = 384,712.65

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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.