Home / 480,219.03-720,453.09-255,394.59

Finding the Fourth Proportional to 480,219.03, 720,453.09 and 255,394.59

Calculator

Solution

The fourth proportional to 480,219.03, 720,453.09 and 255,394.59 is: 383,158.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,219.03 : 720,453.09 = 255,394.59 : x
  2. Step 2: Convert to fraction form
    480,219.03/720,453.09 = 255,394.59/x
  3. Step 3: Cross multiply
    480,219.03x = 720,453.09 × 255,394.59
  4. Step 4: Simplify right side
    480,219.03x = 183,999,821,534.78
  5. Step 5: Solve for x
    x = 183,999,821,534.78/480,219.03
  6. Step 6: Final answer
    x = 383,158.12

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.