Home / 404.63-855.75

Finding the Third Proportional to 404.63 and 855.75

Calculator

Solution

The third proportional to 404.63 and 855.75 is: 1,809.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    404.63 : 855.75 = 855.75 : x
  2. Step 2: Convert to fraction form
    404.63/855.75 = 855.75/x
  3. Step 3: Cross multiply
    404.63x = 855.75 × 855.75
  4. Step 4: Simplify right side
    404.63x = 732,308.06
  5. Step 5: Solve for x
    x = 732,308.06/404.63
  6. Step 6: Final answer
    x = 1,809.84

Related Problems

Find third proportional to 202.31 and 427.88
Half scale
Find third proportional to 809.25 and 1,711.50
Double scale
Find third proportional to 407 and 860
Similar ratio
Find third proportional to 606.94 and 1,283.63
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.