Home / 476,815.23-657,839.56-304,833.86

Finding the Fourth Proportional to 476,815.23, 657,839.56 and 304,833.86

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Solution

The fourth proportional to 476,815.23, 657,839.56 and 304,833.86 is: 420,564.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,815.23 : 657,839.56 = 304,833.86 : x
  2. Step 2: Convert to fraction form
    476,815.23/657,839.56 = 304,833.86/x
  3. Step 3: Cross multiply
    476,815.23x = 657,839.56 × 304,833.86
  4. Step 4: Simplify right side
    476,815.23x = 200,531,770,811.33
  5. Step 5: Solve for x
    x = 200,531,770,811.33/476,815.23
  6. Step 6: Final answer
    x = 420,564.95

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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.