Home / 457,447.80-631,291.80-253,479.64

Finding the Fourth Proportional to 457,447.80, 631,291.80 and 253,479.64

Calculator

Solution

The fourth proportional to 457,447.80, 631,291.80 and 253,479.64 is: 349,809.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,447.80 : 631,291.80 = 253,479.64 : x
  2. Step 2: Convert to fraction form
    457,447.80/631,291.80 = 253,479.64/x
  3. Step 3: Cross multiply
    457,447.80x = 631,291.80 × 253,479.64
  4. Step 4: Simplify right side
    457,447.80x = 160,019,618,198.95
  5. Step 5: Solve for x
    x = 160,019,618,198.95/457,447.80
  6. Step 6: Final answer
    x = 349,809.57

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.