Home / 505,699.02-697,862.52-279,344.52

Finding the Fourth Proportional to 505,699.02, 697,862.52 and 279,344.52

Calculator

Solution

The fourth proportional to 505,699.02, 697,862.52 and 279,344.52 is: 385,494.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,699.02 : 697,862.52 = 279,344.52 : x
  2. Step 2: Convert to fraction form
    505,699.02/697,862.52 = 279,344.52/x
  3. Step 3: Cross multiply
    505,699.02x = 697,862.52 × 279,344.52
  4. Step 4: Simplify right side
    505,699.02x = 194,944,070,675.39
  5. Step 5: Solve for x
    x = 194,944,070,675.39/505,699.02
  6. Step 6: Final answer
    x = 385,494.26

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.