Home / 1,647.50-2,470.62-477.11

Finding the Fourth Proportional to 1,647.50, 2,470.62 and 477.11

Calculator

Solution

The fourth proportional to 1,647.50, 2,470.62 and 477.11 is: 715.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647.50 : 2,470.62 = 477.11 : x
  2. Step 2: Convert to fraction form
    1,647.50/2,470.62 = 477.11/x
  3. Step 3: Cross multiply
    1,647.50x = 2,470.62 × 477.11
  4. Step 4: Simplify right side
    1,647.50x = 1,178,763.68
  5. Step 5: Solve for x
    x = 1,178,763.68/1,647.50
  6. Step 6: Final answer
    x = 715.49

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.