Home / 881.51-1,323.47-470.84

Finding the Fourth Proportional to 881.51, 1,323.47 and 470.84

Calculator

Solution

The fourth proportional to 881.51, 1,323.47 and 470.84 is: 706.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    881.51 : 1,323.47 = 470.84 : x
  2. Step 2: Convert to fraction form
    881.51/1,323.47 = 470.84/x
  3. Step 3: Cross multiply
    881.51x = 1,323.47 × 470.84
  4. Step 4: Simplify right side
    881.51x = 623,137.17
  5. Step 5: Solve for x
    x = 623,137.17/881.51
  6. Step 6: Final answer
    x = 706.90

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.