Home / 383,998.77-529,931.03-209,578.50

Finding the Fourth Proportional to 383,998.77, 529,931.03 and 209,578.50

Calculator

Solution

The fourth proportional to 383,998.77, 529,931.03 and 209,578.50 is: 289,225.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,998.77 : 529,931.03 = 209,578.50 : x
  2. Step 2: Convert to fraction form
    383,998.77/529,931.03 = 209,578.50/x
  3. Step 3: Cross multiply
    383,998.77x = 529,931.03 × 209,578.50
  4. Step 4: Simplify right side
    383,998.77x = 111,062,149,322.96
  5. Step 5: Solve for x
    x = 111,062,149,322.96/383,998.77
  6. Step 6: Final answer
    x = 289,225.27

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.