Home / 389,398.58-537,613.31-298,580.08

Finding the Fourth Proportional to 389,398.58, 537,613.31 and 298,580.08

Calculator

Solution

The fourth proportional to 389,398.58, 537,613.31 and 298,580.08 is: 412,227.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,398.58 : 537,613.31 = 298,580.08 : x
  2. Step 2: Convert to fraction form
    389,398.58/537,613.31 = 298,580.08/x
  3. Step 3: Cross multiply
    389,398.58x = 537,613.31 × 298,580.08
  4. Step 4: Simplify right side
    389,398.58x = 160,520,625,108.87
  5. Step 5: Solve for x
    x = 160,520,625,108.87/389,398.58
  6. Step 6: Final answer
    x = 412,227.04

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.