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Finding the Fourth Proportional to 576,211.37, 795,246.93 and 321,615.41

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Solution

The fourth proportional to 576,211.37, 795,246.93 and 321,615.41 is: 443,871.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,211.37 : 795,246.93 = 321,615.41 : x
  2. Step 2: Convert to fraction form
    576,211.37/795,246.93 = 321,615.41/x
  3. Step 3: Cross multiply
    576,211.37x = 795,246.93 × 321,615.41
  4. Step 4: Simplify right side
    576,211.37x = 255,763,667,443.19
  5. Step 5: Solve for x
    x = 255,763,667,443.19/576,211.37
  6. Step 6: Final answer
    x = 443,871.26

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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.