Home / 427,276.10-640,914.15-427,276.10

Finding the Fourth Proportional to 427,276.10, 640,914.15 and 427,276.10

Calculator

Solution

The fourth proportional to 427,276.10, 640,914.15 and 427,276.10 is: 640,914.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,276.10 : 640,914.15 = 427,276.10 : x
  2. Step 2: Convert to fraction form
    427,276.10/640,914.15 = 427,276.10/x
  3. Step 3: Cross multiply
    427,276.10x = 640,914.15 × 427,276.10
  4. Step 4: Simplify right side
    427,276.10x = 273,847,298,446.82
  5. Step 5: Solve for x
    x = 273,847,298,446.82/427,276.10
  6. Step 6: Final answer
    x = 640,914.15

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.