Home / 499,454.20-749,181.30-331,492.60

Finding the Fourth Proportional to 499,454.20, 749,181.30 and 331,492.60

Calculator

Solution

The fourth proportional to 499,454.20, 749,181.30 and 331,492.60 is: 497,238.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,454.20 : 749,181.30 = 331,492.60 : x
  2. Step 2: Convert to fraction form
    499,454.20/749,181.30 = 331,492.60/x
  3. Step 3: Cross multiply
    499,454.20x = 749,181.30 × 331,492.60
  4. Step 4: Simplify right side
    499,454.20x = 248,348,057,008.38
  5. Step 5: Solve for x
    x = 248,348,057,008.38/499,454.20
  6. Step 6: Final answer
    x = 497,238.90

Related Problems

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.