Home / 490,738.35-677,199.18-275,873.83

Finding the Fourth Proportional to 490,738.35, 677,199.18 and 275,873.83

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Solution

The fourth proportional to 490,738.35, 677,199.18 and 275,873.83 is: 380,694.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,738.35 : 677,199.18 = 275,873.83 : x
  2. Step 2: Convert to fraction form
    490,738.35/677,199.18 = 275,873.83/x
  3. Step 3: Cross multiply
    490,738.35x = 677,199.18 × 275,873.83
  4. Step 4: Simplify right side
    490,738.35x = 186,821,531,459.46
  5. Step 5: Solve for x
    x = 186,821,531,459.46/490,738.35
  6. Step 6: Final answer
    x = 380,694.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.