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Finding the Fourth Proportional to 585,262.31, 807,659.63 and 327,138.98

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Solution

The fourth proportional to 585,262.31, 807,659.63 and 327,138.98 is: 451,450.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,262.31 : 807,659.63 = 327,138.98 : x
  2. Step 2: Convert to fraction form
    585,262.31/807,659.63 = 327,138.98/x
  3. Step 3: Cross multiply
    585,262.31x = 807,659.63 × 327,138.98
  4. Step 4: Simplify right side
    585,262.31x = 264,216,941,871.38
  5. Step 5: Solve for x
    x = 264,216,941,871.38/585,262.31
  6. Step 6: Final answer
    x = 451,450.47

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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.