Home / 464,942.89-641,456.17-303,890.93

Finding the Fourth Proportional to 464,942.89, 641,456.17 and 303,890.93

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Solution

The fourth proportional to 464,942.89, 641,456.17 and 303,890.93 is: 419,261.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,942.89 : 641,456.17 = 303,890.93 : x
  2. Step 2: Convert to fraction form
    464,942.89/641,456.17 = 303,890.93/x
  3. Step 3: Cross multiply
    464,942.89x = 641,456.17 × 303,890.93
  4. Step 4: Simplify right side
    464,942.89x = 194,932,712,055.54
  5. Step 5: Solve for x
    x = 194,932,712,055.54/464,942.89
  6. Step 6: Final answer
    x = 419,261.63

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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.