Home / 974.83-1,345.65-659.94

Finding the Fourth Proportional to 974.83, 1,345.65 and 659.94

Calculator

Solution

The fourth proportional to 974.83, 1,345.65 and 659.94 is: 910.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    974.83 : 1,345.65 = 659.94 : x
  2. Step 2: Convert to fraction form
    974.83/1,345.65 = 659.94/x
  3. Step 3: Cross multiply
    974.83x = 1,345.65 × 659.94
  4. Step 4: Simplify right side
    974.83x = 888,048.26
  5. Step 5: Solve for x
    x = 888,048.26/974.83
  6. Step 6: Final answer
    x = 910.98

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.