Home / 858,674.54-1,288,016.24-503,439.44

Finding the Fourth Proportional to 858,674.54, 1,288,016.24 and 503,439.44

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Solution

The fourth proportional to 858,674.54, 1,288,016.24 and 503,439.44 is: 755,161.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,674.54 : 1,288,016.24 = 503,439.44 : x
  2. Step 2: Convert to fraction form
    858,674.54/1,288,016.24 = 503,439.44/x
  3. Step 3: Cross multiply
    858,674.54x = 1,288,016.24 × 503,439.44
  4. Step 4: Simplify right side
    858,674.54x = 648,438,165,619.23
  5. Step 5: Solve for x
    x = 648,438,165,619.23/858,674.54
  6. Step 6: Final answer
    x = 755,161.75

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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.