Home / 804.70-1,207.05-291.58

Finding the Fourth Proportional to 804.70, 1,207.05 and 291.58

Calculator

Solution

The fourth proportional to 804.70, 1,207.05 and 291.58 is: 437.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    804.70 : 1,207.05 = 291.58 : x
  2. Step 2: Convert to fraction form
    804.70/1,207.05 = 291.58/x
  3. Step 3: Cross multiply
    804.70x = 1,207.05 × 291.58
  4. Step 4: Simplify right side
    804.70x = 351,951.64
  5. Step 5: Solve for x
    x = 351,951.64/804.70
  6. Step 6: Final answer
    x = 437.37

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.