Home / 476,859.72-658,355.43-315,852.78

Finding the Fourth Proportional to 476,859.72, 658,355.43 and 315,852.78

Calculator

Solution

The fourth proportional to 476,859.72, 658,355.43 and 315,852.78 is: 436,068.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,859.72 : 658,355.43 = 315,852.78 : x
  2. Step 2: Convert to fraction form
    476,859.72/658,355.43 = 315,852.78/x
  3. Step 3: Cross multiply
    476,859.72x = 658,355.43 × 315,852.78
  4. Step 4: Simplify right side
    476,859.72x = 207,943,392,793.60
  5. Step 5: Solve for x
    x = 207,943,392,793.60/476,859.72
  6. Step 6: Final answer
    x = 436,068.27

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.