Home / 877,943.86-1,315,899.23-403,633.78

Finding the Fourth Proportional to 877,943.86, 1,315,899.23 and 403,633.78

Calculator

Solution

The fourth proportional to 877,943.86, 1,315,899.23 and 403,633.78 is: 604,983.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,943.86 : 1,315,899.23 = 403,633.78 : x
  2. Step 2: Convert to fraction form
    877,943.86/1,315,899.23 = 403,633.78/x
  3. Step 3: Cross multiply
    877,943.86x = 1,315,899.23 × 403,633.78
  4. Step 4: Simplify right side
    877,943.86x = 531,141,380,303.99
  5. Step 5: Solve for x
    x = 531,141,380,303.99/877,943.86
  6. Step 6: Final answer
    x = 604,983.31

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.