Home / 886,674.87-1,330,199.24-287,589.42

Finding the Fourth Proportional to 886,674.87, 1,330,199.24 and 287,589.42

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Solution

The fourth proportional to 886,674.87, 1,330,199.24 and 287,589.42 is: 431,444.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,674.87 : 1,330,199.24 = 287,589.42 : x
  2. Step 2: Convert to fraction form
    886,674.87/1,330,199.24 = 287,589.42/x
  3. Step 3: Cross multiply
    886,674.87x = 1,330,199.24 × 287,589.42
  4. Step 4: Simplify right side
    886,674.87x = 382,551,226,478.09
  5. Step 5: Solve for x
    x = 382,551,226,478.09/886,674.87
  6. Step 6: Final answer
    x = 431,444.76

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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.