Home / 778,727.04-1,074,643.36-421,031.04

Finding the Fourth Proportional to 778,727.04, 1,074,643.36 and 421,031.04

Calculator

Solution

The fourth proportional to 778,727.04, 1,074,643.36 and 421,031.04 is: 581,022.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,727.04 : 1,074,643.36 = 421,031.04 : x
  2. Step 2: Convert to fraction form
    778,727.04/1,074,643.36 = 421,031.04/x
  3. Step 3: Cross multiply
    778,727.04x = 1,074,643.36 × 421,031.04
  4. Step 4: Simplify right side
    778,727.04x = 452,458,211,489.89
  5. Step 5: Solve for x
    x = 452,458,211,489.89/778,727.04
  6. Step 6: Final answer
    x = 581,022.86

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.