Home / 660,994.92-991,315.26-286,929

Finding the Fourth Proportional to 660,994.92, 991,315.26 and 286,929

Calculator

Solution

The fourth proportional to 660,994.92, 991,315.26 and 286,929 is: 430,316.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,994.92 : 991,315.26 = 286,929 : x
  2. Step 2: Convert to fraction form
    660,994.92/991,315.26 = 286,929/x
  3. Step 3: Cross multiply
    660,994.92x = 991,315.26 × 286,929
  4. Step 4: Simplify right side
    660,994.92x = 284,437,096,236.54
  5. Step 5: Solve for x
    x = 284,437,096,236.54/660,994.92
  6. Step 6: Final answer
    x = 430,316.61

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.