Home / 718,698.24-1,078,102.08-419,208.64

Finding the Fourth Proportional to 718,698.24, 1,078,102.08 and 419,208.64

Calculator

Solution

The fourth proportional to 718,698.24, 1,078,102.08 and 419,208.64 is: 628,844.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,698.24 : 1,078,102.08 = 419,208.64 : x
  2. Step 2: Convert to fraction form
    718,698.24/1,078,102.08 = 419,208.64/x
  3. Step 3: Cross multiply
    718,698.24x = 1,078,102.08 × 419,208.64
  4. Step 4: Simplify right side
    718,698.24x = 451,949,706,737.97
  5. Step 5: Solve for x
    x = 451,949,706,737.97/718,698.24
  6. Step 6: Final answer
    x = 628,844.88

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.