Home / 419,962.60-629,943.90-411,214.60

Finding the Fourth Proportional to 419,962.60, 629,943.90 and 411,214.60

Calculator

Solution

The fourth proportional to 419,962.60, 629,943.90 and 411,214.60 is: 616,821.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,962.60 : 629,943.90 = 411,214.60 : x
  2. Step 2: Convert to fraction form
    419,962.60/629,943.90 = 411,214.60/x
  3. Step 3: Cross multiply
    419,962.60x = 629,943.90 × 411,214.60
  4. Step 4: Simplify right side
    419,962.60x = 259,042,128,860.94
  5. Step 5: Solve for x
    x = 259,042,128,860.94/419,962.60
  6. Step 6: Final answer
    x = 616,821.90

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.