Home / 727,079.62-1,003,110.16-420,988.92

Finding the Fourth Proportional to 727,079.62, 1,003,110.16 and 420,988.92

Calculator

Solution

The fourth proportional to 727,079.62, 1,003,110.16 and 420,988.92 is: 580,814.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,079.62 : 1,003,110.16 = 420,988.92 : x
  2. Step 2: Convert to fraction form
    727,079.62/1,003,110.16 = 420,988.92/x
  3. Step 3: Cross multiply
    727,079.62x = 1,003,110.16 × 420,988.92
  4. Step 4: Simplify right side
    727,079.62x = 422,298,264,517.14
  5. Step 5: Solve for x
    x = 422,298,264,517.14/727,079.62
  6. Step 6: Final answer
    x = 580,814.33

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.