Home / 669,819.82-1,004,762.57-270,410.78

Finding the Fourth Proportional to 669,819.82, 1,004,762.57 and 270,410.78

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Solution

The fourth proportional to 669,819.82, 1,004,762.57 and 270,410.78 is: 405,629.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,819.82 : 1,004,762.57 = 270,410.78 : x
  2. Step 2: Convert to fraction form
    669,819.82/1,004,762.57 = 270,410.78/x
  3. Step 3: Cross multiply
    669,819.82x = 1,004,762.57 × 270,410.78
  4. Step 4: Simplify right side
    669,819.82x = 271,698,630,268.51
  5. Step 5: Solve for x
    x = 271,698,630,268.51/669,819.82
  6. Step 6: Final answer
    x = 405,629.43

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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.