Home / 555.78-767.28-437.52

Finding the Fourth Proportional to 555.78, 767.28 and 437.52

Calculator

Solution

The fourth proportional to 555.78, 767.28 and 437.52 is: 604.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.78 : 767.28 = 437.52 : x
  2. Step 2: Convert to fraction form
    555.78/767.28 = 437.52/x
  3. Step 3: Cross multiply
    555.78x = 767.28 × 437.52
  4. Step 4: Simplify right side
    555.78x = 335,700.35
  5. Step 5: Solve for x
    x = 335,700.35/555.78
  6. Step 6: Final answer
    x = 604.02

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.