Home / 819,074-1,228,611-228,098

Finding the Fourth Proportional to 819,074, 1,228,611 and 228,098

Calculator

Solution

The fourth proportional to 819,074, 1,228,611 and 228,098 is: 342,147

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,074 : 1,228,611 = 228,098 : x
  2. Step 2: Convert to fraction form
    819,074/1,228,611 = 228,098/x
  3. Step 3: Cross multiply
    819,074x = 1,228,611 × 228,098
  4. Step 4: Simplify right side
    819,074x = 280,243,711,878
  5. Step 5: Solve for x
    x = 280,243,711,878/819,074
  6. Step 6: Final answer
    x = 342,147

Related Problems

Find fourth proportional to 409,537, 614,305.50 and 114,049
Half scale
Find fourth proportional to 1,638,148, 2,457,222 and 456,196
Double scale
Find fourth proportional to 819,075, 1,228,612.50 and 228,099
Similar ratio
Find fourth proportional to 1,228,611, 1,842,916.50 and 342,147
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.