Home / 690.96-953.52-380.46

Finding the Fourth Proportional to 690.96, 953.52 and 380.46

Calculator

Solution

The fourth proportional to 690.96, 953.52 and 380.46 is: 525.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    690.96 : 953.52 = 380.46 : x
  2. Step 2: Convert to fraction form
    690.96/953.52 = 380.46/x
  3. Step 3: Cross multiply
    690.96x = 953.52 × 380.46
  4. Step 4: Simplify right side
    690.96x = 362,776.22
  5. Step 5: Solve for x
    x = 362,776.22/690.96
  6. Step 6: Final answer
    x = 525.03

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.