Home / 1,076.48-1,485.89-727.37

Finding the Fourth Proportional to 1,076.48, 1,485.89 and 727.37

Calculator

Solution

The fourth proportional to 1,076.48, 1,485.89 and 727.37 is: 1,004.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076.48 : 1,485.89 = 727.37 : x
  2. Step 2: Convert to fraction form
    1,076.48/1,485.89 = 727.37/x
  3. Step 3: Cross multiply
    1,076.48x = 1,485.89 × 727.37
  4. Step 4: Simplify right side
    1,076.48x = 1,080,780.74
  5. Step 5: Solve for x
    x = 1,080,780.74/1,076.48
  6. Step 6: Final answer
    x = 1,004.00

Related Problems

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.