Home / 669,820.05-1,004,762.88-270,411.03

Finding the Fourth Proportional to 669,820.05, 1,004,762.88 and 270,411.03

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Solution

The fourth proportional to 669,820.05, 1,004,762.88 and 270,411.03 is: 405,629.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,820.05 : 1,004,762.88 = 270,411.03 : x
  2. Step 2: Convert to fraction form
    669,820.05/1,004,762.88 = 270,411.03/x
  3. Step 3: Cross multiply
    669,820.05x = 1,004,762.88 × 270,411.03
  4. Step 4: Simplify right side
    669,820.05x = 271,698,965,286.57
  5. Step 5: Solve for x
    x = 271,698,965,286.57/669,820.05
  6. Step 6: Final answer
    x = 405,629.79

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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.