Home / 509,363.60-764,045.40-454,251.20

Finding the Fourth Proportional to 509,363.60, 764,045.40 and 454,251.20

Calculator

Solution

The fourth proportional to 509,363.60, 764,045.40 and 454,251.20 is: 681,376.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,363.60 : 764,045.40 = 454,251.20 : x
  2. Step 2: Convert to fraction form
    509,363.60/764,045.40 = 454,251.20/x
  3. Step 3: Cross multiply
    509,363.60x = 764,045.40 × 454,251.20
  4. Step 4: Simplify right side
    509,363.60x = 347,068,539,804.48
  5. Step 5: Solve for x
    x = 347,068,539,804.48/509,363.60
  6. Step 6: Final answer
    x = 681,376.80

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.