Home / 859,223.35-1,287,960.23-504,054.55

Finding the Fourth Proportional to 859,223.35, 1,287,960.23 and 504,054.55

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Solution

The fourth proportional to 859,223.35, 1,287,960.23 and 504,054.55 is: 755,568.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,223.35 : 1,287,960.23 = 504,054.55 : x
  2. Step 2: Convert to fraction form
    859,223.35/1,287,960.23 = 504,054.55/x
  3. Step 3: Cross multiply
    859,223.35x = 1,287,960.23 × 504,054.55
  4. Step 4: Simplify right side
    859,223.35x = 649,202,211,630.27
  5. Step 5: Solve for x
    x = 649,202,211,630.27/859,223.35
  6. Step 6: Final answer
    x = 755,568.63

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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.