Home / 1,009.83-1,514.58-393.46

Finding the Fourth Proportional to 1,009.83, 1,514.58 and 393.46

Calculator

Solution

The fourth proportional to 1,009.83, 1,514.58 and 393.46 is: 590.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009.83 : 1,514.58 = 393.46 : x
  2. Step 2: Convert to fraction form
    1,009.83/1,514.58 = 393.46/x
  3. Step 3: Cross multiply
    1,009.83x = 1,514.58 × 393.46
  4. Step 4: Simplify right side
    1,009.83x = 595,926.65
  5. Step 5: Solve for x
    x = 595,926.65/1,009.83
  6. Step 6: Final answer
    x = 590.13

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.