Home / 792,865.80-1,188,245.70-432,110.43

Finding the Fourth Proportional to 792,865.80, 1,188,245.70 and 432,110.43

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Solution

The fourth proportional to 792,865.80, 1,188,245.70 and 432,110.43 is: 647,591.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,865.80 : 1,188,245.70 = 432,110.43 : x
  2. Step 2: Convert to fraction form
    792,865.80/1,188,245.70 = 432,110.43/x
  3. Step 3: Cross multiply
    792,865.80x = 1,188,245.70 × 432,110.43
  4. Step 4: Simplify right side
    792,865.80x = 513,453,360,372.65
  5. Step 5: Solve for x
    x = 513,453,360,372.65/792,865.80
  6. Step 6: Final answer
    x = 647,591.76

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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.