Home / 413,966.80-620,830-161,190.80

Finding the Fourth Proportional to 413,966.80, 620,830 and 161,190.80

Calculator

Solution

The fourth proportional to 413,966.80, 620,830 and 161,190.80 is: 241,739.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,966.80 : 620,830 = 161,190.80 : x
  2. Step 2: Convert to fraction form
    413,966.80/620,830 = 161,190.80/x
  3. Step 3: Cross multiply
    413,966.80x = 620,830 × 161,190.80
  4. Step 4: Simplify right side
    413,966.80x = 100,072,084,364
  5. Step 5: Solve for x
    x = 100,072,084,364/413,966.80
  6. Step 6: Final answer
    x = 241,739.40

Related Problems

Find fourth proportional to 206,983.40, 310,415 and 80,595.40
Half scale
Find fourth proportional to 827,933.60, 1,241,660 and 322,381.60
Double scale
Find fourth proportional to 413,967.80, 620,831.50 and 161,191.80
Similar ratio
Find fourth proportional to 620,950.20, 931,245 and 241,786.20
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.