Home / 521,370.88-719,489.28-282,906.88

Finding the Fourth Proportional to 521,370.88, 719,489.28 and 282,906.88

Calculator

Solution

The fourth proportional to 521,370.88, 719,489.28 and 282,906.88 is: 390,410.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,370.88 : 719,489.28 = 282,906.88 : x
  2. Step 2: Convert to fraction form
    521,370.88/719,489.28 = 282,906.88/x
  3. Step 3: Cross multiply
    521,370.88x = 719,489.28 × 282,906.88
  4. Step 4: Simplify right side
    521,370.88x = 203,548,467,398.25
  5. Step 5: Solve for x
    x = 203,548,467,398.25/521,370.88
  6. Step 6: Final answer
    x = 390,410.12

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.