Home / 988,020.47-1,363,468.39-535,311.47

Finding the Fourth Proportional to 988,020.47, 1,363,468.39 and 535,311.47

Calculator

Solution

The fourth proportional to 988,020.47, 1,363,468.39 and 535,311.47 is: 738,729.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,020.47 : 1,363,468.39 = 535,311.47 : x
  2. Step 2: Convert to fraction form
    988,020.47/1,363,468.39 = 535,311.47/x
  3. Step 3: Cross multiply
    988,020.47x = 1,363,468.39 × 535,311.47
  4. Step 4: Simplify right side
    988,020.47x = 729,880,259,993.81
  5. Step 5: Solve for x
    x = 729,880,259,993.81/988,020.47
  6. Step 6: Final answer
    x = 738,729.90

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.