Home / 470,695.20-705,605.40-328,540.20

Finding the Fourth Proportional to 470,695.20, 705,605.40 and 328,540.20

Calculator

Solution

The fourth proportional to 470,695.20, 705,605.40 and 328,540.20 is: 492,505.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,695.20 : 705,605.40 = 328,540.20 : x
  2. Step 2: Convert to fraction form
    470,695.20/705,605.40 = 328,540.20/x
  3. Step 3: Cross multiply
    470,695.20x = 705,605.40 × 328,540.20
  4. Step 4: Simplify right side
    470,695.20x = 231,819,739,237.08
  5. Step 5: Solve for x
    x = 231,819,739,237.08/470,695.20
  6. Step 6: Final answer
    x = 492,505.00

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.