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Finding the Fourth Proportional to 530,383.31, 794,308.63 and 305,270.56

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Solution

The fourth proportional to 530,383.31, 794,308.63 and 305,270.56 is: 457,176.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,383.31 : 794,308.63 = 305,270.56 : x
  2. Step 2: Convert to fraction form
    530,383.31/794,308.63 = 305,270.56/x
  3. Step 3: Cross multiply
    530,383.31x = 794,308.63 × 305,270.56
  4. Step 4: Simplify right side
    530,383.31x = 242,479,036,321.39
  5. Step 5: Solve for x
    x = 242,479,036,321.39/530,383.31
  6. Step 6: Final answer
    x = 457,176.98

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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.