Home / 1,314.93-1,971.02-492.85

Finding the Fourth Proportional to 1,314.93, 1,971.02 and 492.85

Calculator

Solution

The fourth proportional to 1,314.93, 1,971.02 and 492.85 is: 738.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314.93 : 1,971.02 = 492.85 : x
  2. Step 2: Convert to fraction form
    1,314.93/1,971.02 = 492.85/x
  3. Step 3: Cross multiply
    1,314.93x = 1,971.02 × 492.85
  4. Step 4: Simplify right side
    1,314.93x = 971,417.21
  5. Step 5: Solve for x
    x = 971,417.21/1,314.93
  6. Step 6: Final answer
    x = 738.76

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.