Home / 854,135.52-1,178,650.92-491,500.89

Finding the Fourth Proportional to 854,135.52, 1,178,650.92 and 491,500.89

Calculator

Solution

The fourth proportional to 854,135.52, 1,178,650.92 and 491,500.89 is: 678,238.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,135.52 : 1,178,650.92 = 491,500.89 : x
  2. Step 2: Convert to fraction form
    854,135.52/1,178,650.92 = 491,500.89/x
  3. Step 3: Cross multiply
    854,135.52x = 1,178,650.92 × 491,500.89
  4. Step 4: Simplify right side
    854,135.52x = 579,307,976,179.32
  5. Step 5: Solve for x
    x = 579,307,976,179.32/854,135.52
  6. Step 6: Final answer
    x = 678,238.95

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.