Home / 725.76-1,001.64-463.68

Finding the Fourth Proportional to 725.76, 1,001.64 and 463.68

Calculator

Solution

The fourth proportional to 725.76, 1,001.64 and 463.68 is: 639.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    725.76 : 1,001.64 = 463.68 : x
  2. Step 2: Convert to fraction form
    725.76/1,001.64 = 463.68/x
  3. Step 3: Cross multiply
    725.76x = 1,001.64 × 463.68
  4. Step 4: Simplify right side
    725.76x = 464,440.44
  5. Step 5: Solve for x
    x = 464,440.44/725.76
  6. Step 6: Final answer
    x = 639.94

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.