Home / 703.59-1,055.39-381.01

Finding the Fourth Proportional to 703.59, 1,055.39 and 381.01

Calculator

Solution

The fourth proportional to 703.59, 1,055.39 and 381.01 is: 571.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    703.59 : 1,055.39 = 381.01 : x
  2. Step 2: Convert to fraction form
    703.59/1,055.39 = 381.01/x
  3. Step 3: Cross multiply
    703.59x = 1,055.39 × 381.01
  4. Step 4: Simplify right side
    703.59x = 402,109.60
  5. Step 5: Solve for x
    x = 402,109.60/703.59
  6. Step 6: Final answer
    x = 571.51

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.