Home / 578,528.80-867,793.20-438,560.80

Finding the Fourth Proportional to 578,528.80, 867,793.20 and 438,560.80

Calculator

Solution

The fourth proportional to 578,528.80, 867,793.20 and 438,560.80 is: 657,841.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,528.80 : 867,793.20 = 438,560.80 : x
  2. Step 2: Convert to fraction form
    578,528.80/867,793.20 = 438,560.80/x
  3. Step 3: Cross multiply
    578,528.80x = 867,793.20 × 438,560.80
  4. Step 4: Simplify right side
    578,528.80x = 380,580,080,026.56
  5. Step 5: Solve for x
    x = 380,580,080,026.56/578,528.80
  6. Step 6: Final answer
    x = 657,841.20

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.