Home / 574,464.57-861,097.86-321,374

Finding the Fourth Proportional to 574,464.57, 861,097.86 and 321,374

Calculator

Solution

The fourth proportional to 574,464.57, 861,097.86 and 321,374 is: 481,725.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,464.57 : 861,097.86 = 321,374 : x
  2. Step 2: Convert to fraction form
    574,464.57/861,097.86 = 321,374/x
  3. Step 3: Cross multiply
    574,464.57x = 861,097.86 × 321,374
  4. Step 4: Simplify right side
    574,464.57x = 276,734,463,659.64
  5. Step 5: Solve for x
    x = 276,734,463,659.64/574,464.57
  6. Step 6: Final answer
    x = 481,725.90

Related Problems

Find fourth proportional to 287,232.29, 430,548.93 and 160,687
Half scale
Find fourth proportional to 1,148,929.14, 1,722,195.72 and 642,748
Double scale
Find fourth proportional to 574,465.57, 861,099.36 and 321,375
Similar ratio
Find fourth proportional to 861,696.86, 1,291,646.79 and 482,061
1.5x scale

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.