Home / 519,991-779,887.86-253,483.48

Finding the Fourth Proportional to 519,991, 779,887.86 and 253,483.48

Calculator

Solution

The fourth proportional to 519,991, 779,887.86 and 253,483.48 is: 380,177.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,991 : 779,887.86 = 253,483.48 : x
  2. Step 2: Convert to fraction form
    519,991/779,887.86 = 253,483.48/x
  3. Step 3: Cross multiply
    519,991x = 779,887.86 × 253,483.48
  4. Step 4: Simplify right side
    519,991x = 197,688,688,762.55
  5. Step 5: Solve for x
    x = 197,688,688,762.55/519,991
  6. Step 6: Final answer
    x = 380,177.14

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.