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Finding the Fourth Proportional to 863,696.68, 1,295,498.34 and 264,659.56

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Solution

The fourth proportional to 863,696.68, 1,295,498.34 and 264,659.56 is: 396,975.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,696.68 : 1,295,498.34 = 264,659.56 : x
  2. Step 2: Convert to fraction form
    863,696.68/1,295,498.34 = 264,659.56/x
  3. Step 3: Cross multiply
    863,696.68x = 1,295,498.34 × 264,659.56
  4. Step 4: Simplify right side
    863,696.68x = 342,866,020,645.13
  5. Step 5: Solve for x
    x = 342,866,020,645.13/863,696.68
  6. Step 6: Final answer
    x = 396,975.04

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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.