Home / 713.78-1,070.58-348.56

Finding the Fourth Proportional to 713.78, 1,070.58 and 348.56

Calculator

Solution

The fourth proportional to 713.78, 1,070.58 and 348.56 is: 522.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    713.78 : 1,070.58 = 348.56 : x
  2. Step 2: Convert to fraction form
    713.78/1,070.58 = 348.56/x
  3. Step 3: Cross multiply
    713.78x = 1,070.58 × 348.56
  4. Step 4: Simplify right side
    713.78x = 373,161.36
  5. Step 5: Solve for x
    x = 373,161.36/713.78
  6. Step 6: Final answer
    x = 522.80

Related Problems

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.