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Finding the Fourth Proportional to 662,635.52, 992,556.80 and 303,109.12

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Solution

The fourth proportional to 662,635.52, 992,556.80 and 303,109.12 is: 454,024.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,635.52 : 992,556.80 = 303,109.12 : x
  2. Step 2: Convert to fraction form
    662,635.52/992,556.80 = 303,109.12/x
  3. Step 3: Cross multiply
    662,635.52x = 992,556.80 × 303,109.12
  4. Step 4: Simplify right side
    662,635.52x = 300,853,018,198.02
  5. Step 5: Solve for x
    x = 300,853,018,198.02/662,635.52
  6. Step 6: Final answer
    x = 454,024.89

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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.