Home / 889,671.70-1,334,231.54-320,978.88

Finding the Fourth Proportional to 889,671.70, 1,334,231.54 and 320,978.88

Calculator

Solution

The fourth proportional to 889,671.70, 1,334,231.54 and 320,978.88 is: 481,368.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,671.70 : 1,334,231.54 = 320,978.88 : x
  2. Step 2: Convert to fraction form
    889,671.70/1,334,231.54 = 320,978.88/x
  3. Step 3: Cross multiply
    889,671.70x = 1,334,231.54 × 320,978.88
  4. Step 4: Simplify right side
    889,671.70x = 428,260,145,369.88
  5. Step 5: Solve for x
    x = 428,260,145,369.88/889,671.70
  6. Step 6: Final answer
    x = 481,368.74

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.