Home / 412,860.80-619,377.60-132,406.40

Finding the Fourth Proportional to 412,860.80, 619,377.60 and 132,406.40

Calculator

Solution

The fourth proportional to 412,860.80, 619,377.60 and 132,406.40 is: 198,637.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,860.80 : 619,377.60 = 132,406.40 : x
  2. Step 2: Convert to fraction form
    412,860.80/619,377.60 = 132,406.40/x
  3. Step 3: Cross multiply
    412,860.80x = 619,377.60 × 132,406.40
  4. Step 4: Simplify right side
    412,860.80x = 82,009,558,256.64
  5. Step 5: Solve for x
    x = 82,009,558,256.64/412,860.80
  6. Step 6: Final answer
    x = 198,637.31

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.