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Finding the Fourth Proportional to 576,663.32, 864,845.44 and 171,760.93

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Solution

The fourth proportional to 576,663.32, 864,845.44 and 171,760.93 is: 257,596.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,663.32 : 864,845.44 = 171,760.93 : x
  2. Step 2: Convert to fraction form
    576,663.32/864,845.44 = 171,760.93/x
  3. Step 3: Cross multiply
    576,663.32x = 864,845.44 × 171,760.93
  4. Step 4: Simplify right side
    576,663.32x = 148,546,654,489.14
  5. Step 5: Solve for x
    x = 148,546,654,489.14/576,663.32
  6. Step 6: Final answer
    x = 257,596.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.