Home / 449,047.40-673,571.10-289,615.10

Finding the Fourth Proportional to 449,047.40, 673,571.10 and 289,615.10

Calculator

Solution

The fourth proportional to 449,047.40, 673,571.10 and 289,615.10 is: 434,422.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,047.40 : 673,571.10 = 289,615.10 : x
  2. Step 2: Convert to fraction form
    449,047.40/673,571.10 = 289,615.10/x
  3. Step 3: Cross multiply
    449,047.40x = 673,571.10 × 289,615.10
  4. Step 4: Simplify right side
    449,047.40x = 195,076,361,483.61
  5. Step 5: Solve for x
    x = 195,076,361,483.61/449,047.40
  6. Step 6: Final answer
    x = 434,422.65

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.