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Finding the Fourth Proportional to 625,095.63, 862,631.91 and 338,615.64

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Solution

The fourth proportional to 625,095.63, 862,631.91 and 338,615.64 is: 467,289.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,095.63 : 862,631.91 = 338,615.64 : x
  2. Step 2: Convert to fraction form
    625,095.63/862,631.91 = 338,615.64/x
  3. Step 3: Cross multiply
    625,095.63x = 862,631.91 × 338,615.64
  4. Step 4: Simplify right side
    625,095.63x = 292,100,656,289.07
  5. Step 5: Solve for x
    x = 292,100,656,289.07/625,095.63
  6. Step 6: Final answer
    x = 467,289.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.