Home / 714,734.55-986,365.85-428,248.48

Finding the Fourth Proportional to 714,734.55, 986,365.85 and 428,248.48

Calculator

Solution

The fourth proportional to 714,734.55, 986,365.85 and 428,248.48 is: 591,002.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,734.55 : 986,365.85 = 428,248.48 : x
  2. Step 2: Convert to fraction form
    714,734.55/986,365.85 = 428,248.48/x
  3. Step 3: Cross multiply
    714,734.55x = 986,365.85 × 428,248.48
  4. Step 4: Simplify right side
    714,734.55x = 422,409,675,986.41
  5. Step 5: Solve for x
    x = 422,409,675,986.41/714,734.55
  6. Step 6: Final answer
    x = 591,002.18

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.