Home / 554.67-830.70-450.90

Finding the Fourth Proportional to 554.67, 830.70 and 450.90

Calculator

Solution

The fourth proportional to 554.67, 830.70 and 450.90 is: 675.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.67 : 830.70 = 450.90 : x
  2. Step 2: Convert to fraction form
    554.67/830.70 = 450.90/x
  3. Step 3: Cross multiply
    554.67x = 830.70 × 450.90
  4. Step 4: Simplify right side
    554.67x = 374,562.63
  5. Step 5: Solve for x
    x = 374,562.63/554.67
  6. Step 6: Final answer
    x = 675.29

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.