Home / 617.80-924.30-401.80

Finding the Fourth Proportional to 617.80, 924.30 and 401.80

Calculator

Solution

The fourth proportional to 617.80, 924.30 and 401.80 is: 601.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.80 : 924.30 = 401.80 : x
  2. Step 2: Convert to fraction form
    617.80/924.30 = 401.80/x
  3. Step 3: Cross multiply
    617.80x = 924.30 × 401.80
  4. Step 4: Simplify right side
    617.80x = 371,383.74
  5. Step 5: Solve for x
    x = 371,383.74/617.80
  6. Step 6: Final answer
    x = 601.14

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.