Home / 491,470.49-736,582.34-221,310.38

Finding the Fourth Proportional to 491,470.49, 736,582.34 and 221,310.38

Calculator

Solution

The fourth proportional to 491,470.49, 736,582.34 and 221,310.38 is: 331,684.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,470.49 : 736,582.34 = 221,310.38 : x
  2. Step 2: Convert to fraction form
    491,470.49/736,582.34 = 221,310.38/x
  3. Step 3: Cross multiply
    491,470.49x = 736,582.34 × 221,310.38
  4. Step 4: Simplify right side
    491,470.49x = 163,013,314,437.05
  5. Step 5: Solve for x
    x = 163,013,314,437.05/491,470.49
  6. Step 6: Final answer
    x = 331,684.85

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.