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Finding the Fourth Proportional to 577,345.37, 796,704.41 and 319,207.39

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Solution

The fourth proportional to 577,345.37, 796,704.41 and 319,207.39 is: 440,488.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,345.37 : 796,704.41 = 319,207.39 : x
  2. Step 2: Convert to fraction form
    577,345.37/796,704.41 = 319,207.39/x
  3. Step 3: Cross multiply
    577,345.37x = 796,704.41 × 319,207.39
  4. Step 4: Simplify right side
    577,345.37x = 254,313,934,123.85
  5. Step 5: Solve for x
    x = 254,313,934,123.85/577,345.37
  6. Step 6: Final answer
    x = 440,488.40

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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.