Home / 518,772.14-778,238.66-219,253.98

Finding the Fourth Proportional to 518,772.14, 778,238.66 and 219,253.98

Calculator

Solution

The fourth proportional to 518,772.14, 778,238.66 and 219,253.98 is: 328,914.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,772.14 : 778,238.66 = 219,253.98 : x
  2. Step 2: Convert to fraction form
    518,772.14/778,238.66 = 219,253.98/x
  3. Step 3: Cross multiply
    518,772.14x = 778,238.66 × 219,253.98
  4. Step 4: Simplify right side
    518,772.14x = 170,631,924,143.00
  5. Step 5: Solve for x
    x = 170,631,924,143.00/518,772.14
  6. Step 6: Final answer
    x = 328,914.98

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.