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Finding the Fourth Proportional to 576,730.72, 795,890.10 and 322,091.56

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Solution

The fourth proportional to 576,730.72, 795,890.10 and 322,091.56 is: 444,487.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,730.72 : 795,890.10 = 322,091.56 : x
  2. Step 2: Convert to fraction form
    576,730.72/795,890.10 = 322,091.56/x
  3. Step 3: Cross multiply
    576,730.72x = 795,890.10 × 322,091.56
  4. Step 4: Simplify right side
    576,730.72x = 256,349,483,897.56
  5. Step 5: Solve for x
    x = 256,349,483,897.56/576,730.72
  6. Step 6: Final answer
    x = 444,487.31

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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.