Home / 540,193.30-809,123.55-470,209.30

Finding the Fourth Proportional to 540,193.30, 809,123.55 and 470,209.30

Calculator

Solution

The fourth proportional to 540,193.30, 809,123.55 and 470,209.30 is: 704,298.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,193.30 : 809,123.55 = 470,209.30 : x
  2. Step 2: Convert to fraction form
    540,193.30/809,123.55 = 470,209.30/x
  3. Step 3: Cross multiply
    540,193.30x = 809,123.55 × 470,209.30
  4. Step 4: Simplify right side
    540,193.30x = 380,457,418,059.02
  5. Step 5: Solve for x
    x = 380,457,418,059.02/540,193.30
  6. Step 6: Final answer
    x = 704,298.66

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.