Home / 664,075.17-916,309.31-373,646.43

Finding the Fourth Proportional to 664,075.17, 916,309.31 and 373,646.43

Calculator

Solution

The fourth proportional to 664,075.17, 916,309.31 and 373,646.43 is: 515,567.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,075.17 : 916,309.31 = 373,646.43 : x
  2. Step 2: Convert to fraction form
    664,075.17/916,309.31 = 373,646.43/x
  3. Step 3: Cross multiply
    664,075.17x = 916,309.31 × 373,646.43
  4. Step 4: Simplify right side
    664,075.17x = 342,375,700,589.03
  5. Step 5: Solve for x
    x = 342,375,700,589.03/664,075.17
  6. Step 6: Final answer
    x = 515,567.69

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.