Home / 683,998.60-1,025,997.90-677,000.20

Finding the Fourth Proportional to 683,998.60, 1,025,997.90 and 677,000.20

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Solution

The fourth proportional to 683,998.60, 1,025,997.90 and 677,000.20 is: 1,015,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,998.60 : 1,025,997.90 = 677,000.20 : x
  2. Step 2: Convert to fraction form
    683,998.60/1,025,997.90 = 677,000.20/x
  3. Step 3: Cross multiply
    683,998.60x = 1,025,997.90 × 677,000.20
  4. Step 4: Simplify right side
    683,998.60x = 694,600,783,499.58
  5. Step 5: Solve for x
    x = 694,600,783,499.58/683,998.60
  6. Step 6: Final answer
    x = 1,015,500.30

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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.