Home / 489,181.40-733,772.10-440,192.60

Finding the Fourth Proportional to 489,181.40, 733,772.10 and 440,192.60

Calculator

Solution

The fourth proportional to 489,181.40, 733,772.10 and 440,192.60 is: 660,288.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,181.40 : 733,772.10 = 440,192.60 : x
  2. Step 2: Convert to fraction form
    489,181.40/733,772.10 = 440,192.60/x
  3. Step 3: Cross multiply
    489,181.40x = 733,772.10 × 440,192.60
  4. Step 4: Simplify right side
    489,181.40x = 323,001,048,506.46
  5. Step 5: Solve for x
    x = 323,001,048,506.46/489,181.40
  6. Step 6: Final answer
    x = 660,288.90

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.