Home / 1,314.79-1,814.46-725.35

Finding the Fourth Proportional to 1,314.79, 1,814.46 and 725.35

Calculator

Solution

The fourth proportional to 1,314.79, 1,814.46 and 725.35 is: 1,001.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314.79 : 1,814.46 = 725.35 : x
  2. Step 2: Convert to fraction form
    1,314.79/1,814.46 = 725.35/x
  3. Step 3: Cross multiply
    1,314.79x = 1,814.46 × 725.35
  4. Step 4: Simplify right side
    1,314.79x = 1,316,118.56
  5. Step 5: Solve for x
    x = 1,316,118.56/1,314.79
  6. Step 6: Final answer
    x = 1,001.01

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.