Home / 553,655.56-764,016.40-311,952.41

Finding the Fourth Proportional to 553,655.56, 764,016.40 and 311,952.41

Calculator

Solution

The fourth proportional to 553,655.56, 764,016.40 and 311,952.41 is: 430,478.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,655.56 : 764,016.40 = 311,952.41 : x
  2. Step 2: Convert to fraction form
    553,655.56/764,016.40 = 311,952.41/x
  3. Step 3: Cross multiply
    553,655.56x = 764,016.40 × 311,952.41
  4. Step 4: Simplify right side
    553,655.56x = 238,336,757,259.52
  5. Step 5: Solve for x
    x = 238,336,757,259.52/553,655.56
  6. Step 6: Final answer
    x = 430,478.40

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.