Home / 876,389-1,209,416.82-473,981

Finding the Fourth Proportional to 876,389, 1,209,416.82 and 473,981

Calculator

Solution

The fourth proportional to 876,389, 1,209,416.82 and 473,981 is: 654,093.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,389 : 1,209,416.82 = 473,981 : x
  2. Step 2: Convert to fraction form
    876,389/1,209,416.82 = 473,981/x
  3. Step 3: Cross multiply
    876,389x = 1,209,416.82 × 473,981
  4. Step 4: Simplify right side
    876,389x = 573,240,593,760.42
  5. Step 5: Solve for x
    x = 573,240,593,760.42/876,389
  6. Step 6: Final answer
    x = 654,093.78

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.