Home / 420,150.06-629,602.65-345,798.54

Finding the Fourth Proportional to 420,150.06, 629,602.65 and 345,798.54

Calculator

Solution

The fourth proportional to 420,150.06, 629,602.65 and 345,798.54 is: 518,185.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,150.06 : 629,602.65 = 345,798.54 : x
  2. Step 2: Convert to fraction form
    420,150.06/629,602.65 = 345,798.54/x
  3. Step 3: Cross multiply
    420,150.06x = 629,602.65 × 345,798.54
  4. Step 4: Simplify right side
    420,150.06x = 217,715,677,150.13
  5. Step 5: Solve for x
    x = 217,715,677,150.13/420,150.06
  6. Step 6: Final answer
    x = 518,185.52

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.