Home / 885,642.80-1,328,291.40-286,458.80

Finding the Fourth Proportional to 885,642.80, 1,328,291.40 and 286,458.80

Calculator

Solution

The fourth proportional to 885,642.80, 1,328,291.40 and 286,458.80 is: 429,632.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,642.80 : 1,328,291.40 = 286,458.80 : x
  2. Step 2: Convert to fraction form
    885,642.80/1,328,291.40 = 286,458.80/x
  3. Step 3: Cross multiply
    885,642.80x = 1,328,291.40 × 286,458.80
  4. Step 4: Simplify right side
    885,642.80x = 380,500,760,494.32
  5. Step 5: Solve for x
    x = 380,500,760,494.32/885,642.80
  6. Step 6: Final answer
    x = 429,632.31

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.