Home / 396,052.21-546,764.43-305,874.91

Finding the Fourth Proportional to 396,052.21, 546,764.43 and 305,874.91

Calculator

Solution

The fourth proportional to 396,052.21, 546,764.43 and 305,874.91 is: 422,271.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,052.21 : 546,764.43 = 305,874.91 : x
  2. Step 2: Convert to fraction form
    396,052.21/546,764.43 = 305,874.91/x
  3. Step 3: Cross multiply
    396,052.21x = 546,764.43 × 305,874.91
  4. Step 4: Simplify right side
    396,052.21x = 167,241,520,817.45
  5. Step 5: Solve for x
    x = 167,241,520,817.45/396,052.21
  6. Step 6: Final answer
    x = 422,271.40

Related Problems

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.