Home / 978,049.60-1,467,074.40-417,140.80

Finding the Fourth Proportional to 978,049.60, 1,467,074.40 and 417,140.80

Calculator

Solution

The fourth proportional to 978,049.60, 1,467,074.40 and 417,140.80 is: 625,711.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,049.60 : 1,467,074.40 = 417,140.80 : x
  2. Step 2: Convert to fraction form
    978,049.60/1,467,074.40 = 417,140.80/x
  3. Step 3: Cross multiply
    978,049.60x = 1,467,074.40 × 417,140.80
  4. Step 4: Simplify right side
    978,049.60x = 611,976,588,875.52
  5. Step 5: Solve for x
    x = 611,976,588,875.52/978,049.60
  6. Step 6: Final answer
    x = 625,711.20

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.