Home / 678.56-936.63-416.52

Finding the Fourth Proportional to 678.56, 936.63 and 416.52

Calculator

Solution

The fourth proportional to 678.56, 936.63 and 416.52 is: 574.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    678.56 : 936.63 = 416.52 : x
  2. Step 2: Convert to fraction form
    678.56/936.63 = 416.52/x
  3. Step 3: Cross multiply
    678.56x = 936.63 × 416.52
  4. Step 4: Simplify right side
    678.56x = 390,125.13
  5. Step 5: Solve for x
    x = 390,125.13/678.56
  6. Step 6: Final answer
    x = 574.94

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.