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Finding the Fourth Proportional to 487,494.45, 729,709.07 and 334,797.43

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Solution

The fourth proportional to 487,494.45, 729,709.07 and 334,797.43 is: 501,143.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,494.45 : 729,709.07 = 334,797.43 : x
  2. Step 2: Convert to fraction form
    487,494.45/729,709.07 = 334,797.43/x
  3. Step 3: Cross multiply
    487,494.45x = 729,709.07 × 334,797.43
  4. Step 4: Simplify right side
    487,494.45x = 244,304,717,572.14
  5. Step 5: Solve for x
    x = 244,304,717,572.14/487,494.45
  6. Step 6: Final answer
    x = 501,143.59

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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.