Home / 330,710.88-456,591.60-217,728.48

Finding the Fourth Proportional to 330,710.88, 456,591.60 and 217,728.48

Calculator

Solution

The fourth proportional to 330,710.88, 456,591.60 and 217,728.48 is: 300,603.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,710.88 : 456,591.60 = 217,728.48 : x
  2. Step 2: Convert to fraction form
    330,710.88/456,591.60 = 217,728.48/x
  3. Step 3: Cross multiply
    330,710.88x = 456,591.60 × 217,728.48
  4. Step 4: Simplify right side
    330,710.88x = 99,412,995,048.77
  5. Step 5: Solve for x
    x = 99,412,995,048.77/330,710.88
  6. Step 6: Final answer
    x = 300,603.94

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.