Home / 664,557.40-996,836.10-310,263.40

Finding the Fourth Proportional to 664,557.40, 996,836.10 and 310,263.40

Calculator

Solution

The fourth proportional to 664,557.40, 996,836.10 and 310,263.40 is: 465,395.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,557.40 : 996,836.10 = 310,263.40 : x
  2. Step 2: Convert to fraction form
    664,557.40/996,836.10 = 310,263.40/x
  3. Step 3: Cross multiply
    664,557.40x = 996,836.10 × 310,263.40
  4. Step 4: Simplify right side
    664,557.40x = 309,281,757,628.74
  5. Step 5: Solve for x
    x = 309,281,757,628.74/664,557.40
  6. Step 6: Final answer
    x = 465,395.10

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.