Home / 576,825.87-796,015.02-318,702

Finding the Fourth Proportional to 576,825.87, 796,015.02 and 318,702

Calculator

Solution

The fourth proportional to 576,825.87, 796,015.02 and 318,702 is: 439,806.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,825.87 : 796,015.02 = 318,702 : x
  2. Step 2: Convert to fraction form
    576,825.87/796,015.02 = 318,702/x
  3. Step 3: Cross multiply
    576,825.87x = 796,015.02 × 318,702
  4. Step 4: Simplify right side
    576,825.87x = 253,691,578,904.04
  5. Step 5: Solve for x
    x = 253,691,578,904.04/576,825.87
  6. Step 6: Final answer
    x = 439,806.17

Related Problems

Find fourth proportional to 288,412.94, 398,007.51 and 159,351
Half scale
Find fourth proportional to 1,153,651.74, 1,592,030.04 and 637,404
Double scale
Find fourth proportional to 576,826.87, 796,016.40 and 318,703
Similar ratio
Find fourth proportional to 865,238.81, 1,194,022.53 and 478,053
1.5x scale

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.