Home / 830,577.78-1,146,208.05-491,043.06

Finding the Fourth Proportional to 830,577.78, 1,146,208.05 and 491,043.06

Calculator

Solution

The fourth proportional to 830,577.78, 1,146,208.05 and 491,043.06 is: 677,645.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,577.78 : 1,146,208.05 = 491,043.06 : x
  2. Step 2: Convert to fraction form
    830,577.78/1,146,208.05 = 491,043.06/x
  3. Step 3: Cross multiply
    830,577.78x = 1,146,208.05 × 491,043.06
  4. Step 4: Simplify right side
    830,577.78x = 562,837,508,268.63
  5. Step 5: Solve for x
    x = 562,837,508,268.63/830,577.78
  6. Step 6: Final answer
    x = 677,645.76

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.