Home / 899.10-1,239.30-702.27

Finding the Fourth Proportional to 899.10, 1,239.30 and 702.27

Calculator

Solution

The fourth proportional to 899.10, 1,239.30 and 702.27 is: 967.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    899.10 : 1,239.30 = 702.27 : x
  2. Step 2: Convert to fraction form
    899.10/1,239.30 = 702.27/x
  3. Step 3: Cross multiply
    899.10x = 1,239.30 × 702.27
  4. Step 4: Simplify right side
    899.10x = 870,323.21
  5. Step 5: Solve for x
    x = 870,323.21/899.10
  6. Step 6: Final answer
    x = 967.99

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.