Home / 326,603.40-489,905.10-242,622.60

Finding the Fourth Proportional to 326,603.40, 489,905.10 and 242,622.60

Calculator

Solution

The fourth proportional to 326,603.40, 489,905.10 and 242,622.60 is: 363,933.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,603.40 : 489,905.10 = 242,622.60 : x
  2. Step 2: Convert to fraction form
    326,603.40/489,905.10 = 242,622.60/x
  3. Step 3: Cross multiply
    326,603.40x = 489,905.10 × 242,622.60
  4. Step 4: Simplify right side
    326,603.40x = 118,862,049,115.26
  5. Step 5: Solve for x
    x = 118,862,049,115.26/326,603.40
  6. Step 6: Final answer
    x = 363,933.90

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.