Home / 644,521.54-889,409.55-358,059.10

Finding the Fourth Proportional to 644,521.54, 889,409.55 and 358,059.10

Calculator

Solution

The fourth proportional to 644,521.54, 889,409.55 and 358,059.10 is: 494,104.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,521.54 : 889,409.55 = 358,059.10 : x
  2. Step 2: Convert to fraction form
    644,521.54/889,409.55 = 358,059.10/x
  3. Step 3: Cross multiply
    644,521.54x = 889,409.55 × 358,059.10
  4. Step 4: Simplify right side
    644,521.54x = 318,461,183,004.41
  5. Step 5: Solve for x
    x = 318,461,183,004.41/644,521.54
  6. Step 6: Final answer
    x = 494,104.79

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.