Home / 705.25-972.15-483.85

Finding the Fourth Proportional to 705.25, 972.15 and 483.85

Calculator

Solution

The fourth proportional to 705.25, 972.15 and 483.85 is: 666.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    705.25 : 972.15 = 483.85 : x
  2. Step 2: Convert to fraction form
    705.25/972.15 = 483.85/x
  3. Step 3: Cross multiply
    705.25x = 972.15 × 483.85
  4. Step 4: Simplify right side
    705.25x = 470,374.78
  5. Step 5: Solve for x
    x = 470,374.78/705.25
  6. Step 6: Final answer
    x = 666.96

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.