Home / 812,684.16-1,219,487.04-438,698.88

Finding the Fourth Proportional to 812,684.16, 1,219,487.04 and 438,698.88

Calculator

Solution

The fourth proportional to 812,684.16, 1,219,487.04 and 438,698.88 is: 658,297.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,684.16 : 1,219,487.04 = 438,698.88 : x
  2. Step 2: Convert to fraction form
    812,684.16/1,219,487.04 = 438,698.88/x
  3. Step 3: Cross multiply
    812,684.16x = 1,219,487.04 × 438,698.88
  4. Step 4: Simplify right side
    812,684.16x = 534,987,598,622.52
  5. Step 5: Solve for x
    x = 534,987,598,622.52/812,684.16
  6. Step 6: Final answer
    x = 658,297.07

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.