Home / 579,213.60-867,070.80-509,229.60

Finding the Fourth Proportional to 579,213.60, 867,070.80 and 509,229.60

Calculator

Solution

The fourth proportional to 579,213.60, 867,070.80 and 509,229.60 is: 762,306.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,213.60 : 867,070.80 = 509,229.60 : x
  2. Step 2: Convert to fraction form
    579,213.60/867,070.80 = 509,229.60/x
  3. Step 3: Cross multiply
    579,213.60x = 867,070.80 × 509,229.60
  4. Step 4: Simplify right side
    579,213.60x = 441,538,116,655.68
  5. Step 5: Solve for x
    x = 441,538,116,655.68/579,213.60
  6. Step 6: Final answer
    x = 762,306.20

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.