Home / 483,821.21-725,819.26-199,353.50

Finding the Fourth Proportional to 483,821.21, 725,819.26 and 199,353.50

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Solution

The fourth proportional to 483,821.21, 725,819.26 and 199,353.50 is: 299,066.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,821.21 : 725,819.26 = 199,353.50 : x
  2. Step 2: Convert to fraction form
    483,821.21/725,819.26 = 199,353.50/x
  3. Step 3: Cross multiply
    483,821.21x = 725,819.26 × 199,353.50
  4. Step 4: Simplify right side
    483,821.21x = 144,694,605,720.93
  5. Step 5: Solve for x
    x = 144,694,605,720.93/483,821.21
  6. Step 6: Final answer
    x = 299,066.28

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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.