Home / 432,069.20-648,103.80-325,624.40

Finding the Fourth Proportional to 432,069.20, 648,103.80 and 325,624.40

Calculator

Solution

The fourth proportional to 432,069.20, 648,103.80 and 325,624.40 is: 488,436.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,069.20 : 648,103.80 = 325,624.40 : x
  2. Step 2: Convert to fraction form
    432,069.20/648,103.80 = 325,624.40/x
  3. Step 3: Cross multiply
    432,069.20x = 648,103.80 × 325,624.40
  4. Step 4: Simplify right side
    432,069.20x = 211,038,411,012.72
  5. Step 5: Solve for x
    x = 211,038,411,012.72/432,069.20
  6. Step 6: Final answer
    x = 488,436.60

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.