Home / 528,755.21-729,605.21-302,356.97

Finding the Fourth Proportional to 528,755.21, 729,605.21 and 302,356.97

Calculator

Solution

The fourth proportional to 528,755.21, 729,605.21 and 302,356.97 is: 417,208.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,755.21 : 729,605.21 = 302,356.97 : x
  2. Step 2: Convert to fraction form
    528,755.21/729,605.21 = 302,356.97/x
  3. Step 3: Cross multiply
    528,755.21x = 729,605.21 × 302,356.97
  4. Step 4: Simplify right side
    528,755.21x = 220,601,220,591.81
  5. Step 5: Solve for x
    x = 220,601,220,591.81/528,755.21
  6. Step 6: Final answer
    x = 417,208.60

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.