Home / 957.12-1,436.09-409.70

Finding the Fourth Proportional to 957.12, 1,436.09 and 409.70

Calculator

Solution

The fourth proportional to 957.12, 1,436.09 and 409.70 is: 614.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    957.12 : 1,436.09 = 409.70 : x
  2. Step 2: Convert to fraction form
    957.12/1,436.09 = 409.70/x
  3. Step 3: Cross multiply
    957.12x = 1,436.09 × 409.70
  4. Step 4: Simplify right side
    957.12x = 588,356.84
  5. Step 5: Solve for x
    x = 588,356.84/957.12
  6. Step 6: Final answer
    x = 614.72

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.