Home / 638,296.20-957,444.30-189,086.40

Finding the Fourth Proportional to 638,296.20, 957,444.30 and 189,086.40

Calculator

Solution

The fourth proportional to 638,296.20, 957,444.30 and 189,086.40 is: 283,629.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,296.20 : 957,444.30 = 189,086.40 : x
  2. Step 2: Convert to fraction form
    638,296.20/957,444.30 = 189,086.40/x
  3. Step 3: Cross multiply
    638,296.20x = 957,444.30 × 189,086.40
  4. Step 4: Simplify right side
    638,296.20x = 181,039,695,887.52
  5. Step 5: Solve for x
    x = 181,039,695,887.52/638,296.20
  6. Step 6: Final answer
    x = 283,629.60

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.