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Finding the Fourth Proportional to 592,639.17, 817,845.69 and 347,573.97

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Solution

The fourth proportional to 592,639.17, 817,845.69 and 347,573.97 is: 479,654.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,639.17 : 817,845.69 = 347,573.97 : x
  2. Step 2: Convert to fraction form
    592,639.17/817,845.69 = 347,573.97/x
  3. Step 3: Cross multiply
    592,639.17x = 817,845.69 × 347,573.97
  4. Step 4: Simplify right side
    592,639.17x = 284,261,874,624.09
  5. Step 5: Solve for x
    x = 284,261,874,624.09/592,639.17
  6. Step 6: Final answer
    x = 479,654.22

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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.