Home / 399,604-599,406-104,116

Finding the Fourth Proportional to 399,604, 599,406 and 104,116

Calculator

Solution

The fourth proportional to 399,604, 599,406 and 104,116 is: 156,174

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,604 : 599,406 = 104,116 : x
  2. Step 2: Convert to fraction form
    399,604/599,406 = 104,116/x
  3. Step 3: Cross multiply
    399,604x = 599,406 × 104,116
  4. Step 4: Simplify right side
    399,604x = 62,407,755,096
  5. Step 5: Solve for x
    x = 62,407,755,096/399,604
  6. Step 6: Final answer
    x = 156,174

Related Problems

Find fourth proportional to 199,802, 299,703 and 52,058
Half scale
Find fourth proportional to 799,208, 1,198,812 and 208,232
Double scale
Find fourth proportional to 399,605, 599,407.50 and 104,117
Similar ratio
Find fourth proportional to 599,406, 899,109 and 156,174
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.