Home / 450,363.64-620,787.20-354,718.84

Finding the Fourth Proportional to 450,363.64, 620,787.20 and 354,718.84

Calculator

Solution

The fourth proportional to 450,363.64, 620,787.20 and 354,718.84 is: 488,949.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,363.64 : 620,787.20 = 354,718.84 : x
  2. Step 2: Convert to fraction form
    450,363.64/620,787.20 = 354,718.84/x
  3. Step 3: Cross multiply
    450,363.64x = 620,787.20 × 354,718.84
  4. Step 4: Simplify right side
    450,363.64x = 220,204,915,470.85
  5. Step 5: Solve for x
    x = 220,204,915,470.85/450,363.64
  6. Step 6: Final answer
    x = 488,949.14

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.