Home / 926.79-1,279.09-533.82

Finding the Fourth Proportional to 926.79, 1,279.09 and 533.82

Calculator

Solution

The fourth proportional to 926.79, 1,279.09 and 533.82 is: 736.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    926.79 : 1,279.09 = 533.82 : x
  2. Step 2: Convert to fraction form
    926.79/1,279.09 = 533.82/x
  3. Step 3: Cross multiply
    926.79x = 1,279.09 × 533.82
  4. Step 4: Simplify right side
    926.79x = 682,798.50
  5. Step 5: Solve for x
    x = 682,798.50/926.79
  6. Step 6: Final answer
    x = 736.73

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.