Home / 345,608-518,412-82,952

Finding the Fourth Proportional to 345,608, 518,412 and 82,952

Calculator

Solution

The fourth proportional to 345,608, 518,412 and 82,952 is: 124,428

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,608 : 518,412 = 82,952 : x
  2. Step 2: Convert to fraction form
    345,608/518,412 = 82,952/x
  3. Step 3: Cross multiply
    345,608x = 518,412 × 82,952
  4. Step 4: Simplify right side
    345,608x = 43,003,312,224
  5. Step 5: Solve for x
    x = 43,003,312,224/345,608
  6. Step 6: Final answer
    x = 124,428

Related Problems

Find fourth proportional to 172,804, 259,206 and 41,476
Half scale
Find fourth proportional to 691,216, 1,036,824 and 165,904
Double scale
Find fourth proportional to 345,609, 518,413.50 and 82,953
Similar ratio
Find fourth proportional to 518,412, 777,618 and 124,428
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.