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Finding the Fourth Proportional to 577,284.96, 796,618.92 and 319,146.44

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Solution

The fourth proportional to 577,284.96, 796,618.92 and 319,146.44 is: 440,403.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,284.96 : 796,618.92 = 319,146.44 : x
  2. Step 2: Convert to fraction form
    577,284.96/796,618.92 = 319,146.44/x
  3. Step 3: Cross multiply
    577,284.96x = 796,618.92 × 319,146.44
  4. Step 4: Simplify right side
    577,284.96x = 254,238,092,354.65
  5. Step 5: Solve for x
    x = 254,238,092,354.65/577,284.96
  6. Step 6: Final answer
    x = 440,403.11

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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.