Home / 464,992.30-641,612.96-273,979.72

Finding the Fourth Proportional to 464,992.30, 641,612.96 and 273,979.72

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Solution

The fourth proportional to 464,992.30, 641,612.96 and 273,979.72 is: 378,046.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,992.30 : 641,612.96 = 273,979.72 : x
  2. Step 2: Convert to fraction form
    464,992.30/641,612.96 = 273,979.72/x
  3. Step 3: Cross multiply
    464,992.30x = 641,612.96 × 273,979.72
  4. Step 4: Simplify right side
    464,992.30x = 175,788,941,129.85
  5. Step 5: Solve for x
    x = 175,788,941,129.85/464,992.30
  6. Step 6: Final answer
    x = 378,046.99

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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.