Home / 472,537.20-708,805.80-431,202.90

Finding the Fourth Proportional to 472,537.20, 708,805.80 and 431,202.90

Calculator

Solution

The fourth proportional to 472,537.20, 708,805.80 and 431,202.90 is: 646,804.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,537.20 : 708,805.80 = 431,202.90 : x
  2. Step 2: Convert to fraction form
    472,537.20/708,805.80 = 431,202.90/x
  3. Step 3: Cross multiply
    472,537.20x = 708,805.80 × 431,202.90
  4. Step 4: Simplify right side
    472,537.20x = 305,639,116,496.82
  5. Step 5: Solve for x
    x = 305,639,116,496.82/472,537.20
  6. Step 6: Final answer
    x = 646,804.35

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.