Home / 817,292-1,225,938-226,316

Finding the Fourth Proportional to 817,292, 1,225,938 and 226,316

Calculator

Solution

The fourth proportional to 817,292, 1,225,938 and 226,316 is: 339,474

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,292 : 1,225,938 = 226,316 : x
  2. Step 2: Convert to fraction form
    817,292/1,225,938 = 226,316/x
  3. Step 3: Cross multiply
    817,292x = 1,225,938 × 226,316
  4. Step 4: Simplify right side
    817,292x = 277,449,384,408
  5. Step 5: Solve for x
    x = 277,449,384,408/817,292
  6. Step 6: Final answer
    x = 339,474

Related Problems

Find fourth proportional to 408,646, 612,969 and 113,158
Half scale
Find fourth proportional to 1,634,584, 2,451,876 and 452,632
Double scale
Find fourth proportional to 817,293, 1,225,939.50 and 226,317
Similar ratio
Find fourth proportional to 1,225,938, 1,838,907 and 339,474
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.