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Finding the Fourth Proportional to 592,726.88, 817,968.24 and 351,022.88

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Solution

The fourth proportional to 592,726.88, 817,968.24 and 351,022.88 is: 484,414.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,726.88 : 817,968.24 = 351,022.88 : x
  2. Step 2: Convert to fraction form
    592,726.88/817,968.24 = 351,022.88/x
  3. Step 3: Cross multiply
    592,726.88x = 817,968.24 × 351,022.88
  4. Step 4: Simplify right side
    592,726.88x = 287,125,567,353.33
  5. Step 5: Solve for x
    x = 287,125,567,353.33/592,726.88
  6. Step 6: Final answer
    x = 484,414.62

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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.