Home / 683,605.22-1,025,410.35-210,287.30

Finding the Fourth Proportional to 683,605.22, 1,025,410.35 and 210,287.30

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Solution

The fourth proportional to 683,605.22, 1,025,410.35 and 210,287.30 is: 315,431.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,605.22 : 1,025,410.35 = 210,287.30 : x
  2. Step 2: Convert to fraction form
    683,605.22/1,025,410.35 = 210,287.30/x
  3. Step 3: Cross multiply
    683,605.22x = 1,025,410.35 × 210,287.30
  4. Step 4: Simplify right side
    683,605.22x = 215,630,773,893.56
  5. Step 5: Solve for x
    x = 215,630,773,893.56/683,605.22
  6. Step 6: Final answer
    x = 315,431.73

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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.