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Finding the Fourth Proportional to 661,816.48, 992,348.08 and 451,708.96

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Solution

The fourth proportional to 661,816.48, 992,348.08 and 451,708.96 is: 677,306.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,816.48 : 992,348.08 = 451,708.96 : x
  2. Step 2: Convert to fraction form
    661,816.48/992,348.08 = 451,708.96/x
  3. Step 3: Cross multiply
    661,816.48x = 992,348.08 × 451,708.96
  4. Step 4: Simplify right side
    661,816.48x = 448,252,519,174.80
  5. Step 5: Solve for x
    x = 448,252,519,174.80/661,816.48
  6. Step 6: Final answer
    x = 677,306.37

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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.