Home / 683,606.22-1,025,411.85-210,288.30

Finding the Fourth Proportional to 683,606.22, 1,025,411.85 and 210,288.30

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Solution

The fourth proportional to 683,606.22, 1,025,411.85 and 210,288.30 is: 315,433.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,606.22 : 1,025,411.85 = 210,288.30 : x
  2. Step 2: Convert to fraction form
    683,606.22/1,025,411.85 = 210,288.30/x
  3. Step 3: Cross multiply
    683,606.22x = 1,025,411.85 × 210,288.30
  4. Step 4: Simplify right side
    683,606.22x = 215,632,114,736.36
  5. Step 5: Solve for x
    x = 215,632,114,736.36/683,606.22
  6. Step 6: Final answer
    x = 315,433.23

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Double scale
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Similar ratio
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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.