Home / 520,060.80-778,924.80-426,748.80

Finding the Fourth Proportional to 520,060.80, 778,924.80 and 426,748.80

Calculator

Solution

The fourth proportional to 520,060.80, 778,924.80 and 426,748.80 is: 639,166.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,060.80 : 778,924.80 = 426,748.80 : x
  2. Step 2: Convert to fraction form
    520,060.80/778,924.80 = 426,748.80/x
  3. Step 3: Cross multiply
    520,060.80x = 778,924.80 × 426,748.80
  4. Step 4: Simplify right side
    520,060.80x = 332,405,223,690.24
  5. Step 5: Solve for x
    x = 332,405,223,690.24/520,060.80
  6. Step 6: Final answer
    x = 639,166.08

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.