Home / 476,728.56-657,883-261,867.96

Finding the Fourth Proportional to 476,728.56, 657,883 and 261,867.96

Calculator

Solution

The fourth proportional to 476,728.56, 657,883 and 261,867.96 is: 361,376.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,728.56 : 657,883 = 261,867.96 : x
  2. Step 2: Convert to fraction form
    476,728.56/657,883 = 261,867.96/x
  3. Step 3: Cross multiply
    476,728.56x = 657,883 × 261,867.96
  4. Step 4: Simplify right side
    476,728.56x = 172,278,479,128.68
  5. Step 5: Solve for x
    x = 172,278,479,128.68/476,728.56
  6. Step 6: Final answer
    x = 361,376.46

Related Problems

Find fourth proportional to 238,364.28, 328,941.50 and 130,933.98
Half scale
Find fourth proportional to 953,457.12, 1,315,766 and 523,735.92
Double scale
Find fourth proportional to 476,729.56, 657,884.38 and 261,868.96
Similar ratio
Find fourth proportional to 715,092.84, 986,824.50 and 392,801.94
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.