Home / 900.14-1,350.58-489.56

Finding the Fourth Proportional to 900.14, 1,350.58 and 489.56

Calculator

Solution

The fourth proportional to 900.14, 1,350.58 and 489.56 is: 734.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    900.14 : 1,350.58 = 489.56 : x
  2. Step 2: Convert to fraction form
    900.14/1,350.58 = 489.56/x
  3. Step 3: Cross multiply
    900.14x = 1,350.58 × 489.56
  4. Step 4: Simplify right side
    900.14x = 661,189.94
  5. Step 5: Solve for x
    x = 661,189.94/900.14
  6. Step 6: Final answer
    x = 734.54

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.