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Finding the Fourth Proportional to 557,659.07, 769,576.52 and 303,014.51

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Solution

The fourth proportional to 557,659.07, 769,576.52 and 303,014.51 is: 418,163.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,659.07 : 769,576.52 = 303,014.51 : x
  2. Step 2: Convert to fraction form
    557,659.07/769,576.52 = 303,014.51/x
  3. Step 3: Cross multiply
    557,659.07x = 769,576.52 × 303,014.51
  4. Step 4: Simplify right side
    557,659.07x = 233,192,852,115.31
  5. Step 5: Solve for x
    x = 233,192,852,115.31/557,659.07
  6. Step 6: Final answer
    x = 418,163.83

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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.