Home / 451,286.40-676,929.60-430,550.40

Finding the Fourth Proportional to 451,286.40, 676,929.60 and 430,550.40

Calculator

Solution

The fourth proportional to 451,286.40, 676,929.60 and 430,550.40 is: 645,825.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,286.40 : 676,929.60 = 430,550.40 : x
  2. Step 2: Convert to fraction form
    451,286.40/676,929.60 = 430,550.40/x
  3. Step 3: Cross multiply
    451,286.40x = 676,929.60 × 430,550.40
  4. Step 4: Simplify right side
    451,286.40x = 291,452,310,051.84
  5. Step 5: Solve for x
    x = 291,452,310,051.84/451,286.40
  6. Step 6: Final answer
    x = 645,825.60

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.