Home / 753,453-1,039,765.55-413,943.12

Finding the Fourth Proportional to 753,453, 1,039,765.55 and 413,943.12

Calculator

Solution

The fourth proportional to 753,453, 1,039,765.55 and 413,943.12 is: 571,241.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,453 : 1,039,765.55 = 413,943.12 : x
  2. Step 2: Convert to fraction form
    753,453/1,039,765.55 = 413,943.12/x
  3. Step 3: Cross multiply
    753,453x = 1,039,765.55 × 413,943.12
  4. Step 4: Simplify right side
    753,453x = 430,403,793,765.80
  5. Step 5: Solve for x
    x = 430,403,793,765.80/753,453
  6. Step 6: Final answer
    x = 571,241.73

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.