Home / 421,556.80-581,763.36-240,296.08

Finding the Fourth Proportional to 421,556.80, 581,763.36 and 240,296.08

Calculator

Solution

The fourth proportional to 421,556.80, 581,763.36 and 240,296.08 is: 331,617.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,556.80 : 581,763.36 = 240,296.08 : x
  2. Step 2: Convert to fraction form
    421,556.80/581,763.36 = 240,296.08/x
  3. Step 3: Cross multiply
    421,556.80x = 581,763.36 × 240,296.08
  4. Step 4: Simplify right side
    421,556.80x = 139,795,454,895.63
  5. Step 5: Solve for x
    x = 139,795,454,895.63/421,556.80
  6. Step 6: Final answer
    x = 331,617.13

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.