Home / 683,800.80-1,025,890.80-284,629.60

Finding the Fourth Proportional to 683,800.80, 1,025,890.80 and 284,629.60

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Solution

The fourth proportional to 683,800.80, 1,025,890.80 and 284,629.60 is: 427,023.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,800.80 : 1,025,890.80 = 284,629.60 : x
  2. Step 2: Convert to fraction form
    683,800.80/1,025,890.80 = 284,629.60/x
  3. Step 3: Cross multiply
    683,800.80x = 1,025,890.80 × 284,629.60
  4. Step 4: Simplify right side
    683,800.80x = 291,998,888,047.68
  5. Step 5: Solve for x
    x = 291,998,888,047.68/683,800.80
  6. Step 6: Final answer
    x = 427,023.32

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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.