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Finding the Fourth Proportional to 632,930.52, 949,393.62 and 258,953.52

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Solution

The fourth proportional to 632,930.52, 949,393.62 and 258,953.52 is: 388,429.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,930.52 : 949,393.62 = 258,953.52 : x
  2. Step 2: Convert to fraction form
    632,930.52/949,393.62 = 258,953.52/x
  3. Step 3: Cross multiply
    632,930.52x = 949,393.62 × 258,953.52
  4. Step 4: Simplify right side
    632,930.52x = 245,848,819,764.54
  5. Step 5: Solve for x
    x = 245,848,819,764.54/632,930.52
  6. Step 6: Final answer
    x = 388,429.40

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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.