Home / 648,892-973,338-205,660

Finding the Fourth Proportional to 648,892, 973,338 and 205,660

Calculator

Solution

The fourth proportional to 648,892, 973,338 and 205,660 is: 308,490

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,892 : 973,338 = 205,660 : x
  2. Step 2: Convert to fraction form
    648,892/973,338 = 205,660/x
  3. Step 3: Cross multiply
    648,892x = 973,338 × 205,660
  4. Step 4: Simplify right side
    648,892x = 200,176,693,080
  5. Step 5: Solve for x
    x = 200,176,693,080/648,892
  6. Step 6: Final answer
    x = 308,490

Related Problems

Find fourth proportional to 324,446, 486,669 and 102,830
Half scale
Find fourth proportional to 1,297,784, 1,946,676 and 411,320
Double scale
Find fourth proportional to 648,893, 973,339.50 and 205,661
Similar ratio
Find fourth proportional to 973,338, 1,460,007 and 308,490
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.