Home / 558,970.80-838,456.20-543,418.80

Finding the Fourth Proportional to 558,970.80, 838,456.20 and 543,418.80

Calculator

Solution

The fourth proportional to 558,970.80, 838,456.20 and 543,418.80 is: 815,128.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,970.80 : 838,456.20 = 543,418.80 : x
  2. Step 2: Convert to fraction form
    558,970.80/838,456.20 = 543,418.80/x
  3. Step 3: Cross multiply
    558,970.80x = 838,456.20 × 543,418.80
  4. Step 4: Simplify right side
    558,970.80x = 455,632,862,056.56
  5. Step 5: Solve for x
    x = 455,632,862,056.56/558,970.80
  6. Step 6: Final answer
    x = 815,128.20

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.