Home / 583.08-805.02-520.80

Finding the Fourth Proportional to 583.08, 805.02 and 520.80

Calculator

Solution

The fourth proportional to 583.08, 805.02 and 520.80 is: 719.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.08 : 805.02 = 520.80 : x
  2. Step 2: Convert to fraction form
    583.08/805.02 = 520.80/x
  3. Step 3: Cross multiply
    583.08x = 805.02 × 520.80
  4. Step 4: Simplify right side
    583.08x = 419,254.42
  5. Step 5: Solve for x
    x = 419,254.42/583.08
  6. Step 6: Final answer
    x = 719.03

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.