Home / 801,455.79-1,106,010.86-438,903.39

Finding the Fourth Proportional to 801,455.79, 1,106,010.86 and 438,903.39

Calculator

Solution

The fourth proportional to 801,455.79, 1,106,010.86 and 438,903.39 is: 605,687.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,455.79 : 1,106,010.86 = 438,903.39 : x
  2. Step 2: Convert to fraction form
    801,455.79/1,106,010.86 = 438,903.39/x
  3. Step 3: Cross multiply
    801,455.79x = 1,106,010.86 × 438,903.39
  4. Step 4: Simplify right side
    801,455.79x = 485,431,913,636.30
  5. Step 5: Solve for x
    x = 485,431,913,636.30/801,455.79
  6. Step 6: Final answer
    x = 605,687.70

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.