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Finding the Fourth Proportional to 605,464.50, 835,541.28 and 350,963.31

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Solution

The fourth proportional to 605,464.50, 835,541.28 and 350,963.31 is: 484,329.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,464.50 : 835,541.28 = 350,963.31 : x
  2. Step 2: Convert to fraction form
    605,464.50/835,541.28 = 350,963.31/x
  3. Step 3: Cross multiply
    605,464.50x = 835,541.28 × 350,963.31
  4. Step 4: Simplify right side
    605,464.50x = 293,244,333,270.44
  5. Step 5: Solve for x
    x = 293,244,333,270.44/605,464.50
  6. Step 6: Final answer
    x = 484,329.52

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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.