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Finding the Fourth Proportional to 577,508.34, 796,966.83 and 319,371.96

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Solution

The fourth proportional to 577,508.34, 796,966.83 and 319,371.96 is: 440,736.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,508.34 : 796,966.83 = 319,371.96 : x
  2. Step 2: Convert to fraction form
    577,508.34/796,966.83 = 319,371.96/x
  3. Step 3: Cross multiply
    577,508.34x = 796,966.83 × 319,371.96
  4. Step 4: Simplify right side
    577,508.34x = 254,528,858,552.09
  5. Step 5: Solve for x
    x = 254,528,858,552.09/577,508.34
  6. Step 6: Final answer
    x = 440,736.25

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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.