Home / 1,122.50-1,684.08-473.28

Finding the Fourth Proportional to 1,122.50, 1,684.08 and 473.28

Calculator

Solution

The fourth proportional to 1,122.50, 1,684.08 and 473.28 is: 710.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122.50 : 1,684.08 = 473.28 : x
  2. Step 2: Convert to fraction form
    1,122.50/1,684.08 = 473.28/x
  3. Step 3: Cross multiply
    1,122.50x = 1,684.08 × 473.28
  4. Step 4: Simplify right side
    1,122.50x = 797,041.38
  5. Step 5: Solve for x
    x = 797,041.38/1,122.50
  6. Step 6: Final answer
    x = 710.06

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.