Home / 683,811.30-1,025,906.55-284,640.10

Finding the Fourth Proportional to 683,811.30, 1,025,906.55 and 284,640.10

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Solution

The fourth proportional to 683,811.30, 1,025,906.55 and 284,640.10 is: 427,039.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,811.30 : 1,025,906.55 = 284,640.10 : x
  2. Step 2: Convert to fraction form
    683,811.30/1,025,906.55 = 284,640.10/x
  3. Step 3: Cross multiply
    683,811.30x = 1,025,906.55 × 284,640.10
  4. Step 4: Simplify right side
    683,811.30x = 292,014,142,982.66
  5. Step 5: Solve for x
    x = 292,014,142,982.66/683,811.30
  6. Step 6: Final answer
    x = 427,039.07

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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.