Home / 879,336.20-1,318,963.26-366,789.80

Finding the Fourth Proportional to 879,336.20, 1,318,963.26 and 366,789.80

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Solution

The fourth proportional to 879,336.20, 1,318,963.26 and 366,789.80 is: 550,167.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,336.20 : 1,318,963.26 = 366,789.80 : x
  2. Step 2: Convert to fraction form
    879,336.20/1,318,963.26 = 366,789.80/x
  3. Step 3: Cross multiply
    879,336.20x = 1,318,963.26 × 366,789.80
  4. Step 4: Simplify right side
    879,336.20x = 483,782,270,342.75
  5. Step 5: Solve for x
    x = 483,782,270,342.75/879,336.20
  6. Step 6: Final answer
    x = 550,167.58

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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.