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Finding the Fourth Proportional to 605,732.31, 835,916.19 and 333,809.94

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Solution

The fourth proportional to 605,732.31, 835,916.19 and 333,809.94 is: 460,660.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,732.31 : 835,916.19 = 333,809.94 : x
  2. Step 2: Convert to fraction form
    605,732.31/835,916.19 = 333,809.94/x
  3. Step 3: Cross multiply
    605,732.31x = 835,916.19 × 333,809.94
  4. Step 4: Simplify right side
    605,732.31x = 279,037,135,111.83
  5. Step 5: Solve for x
    x = 279,037,135,111.83/605,732.31
  6. Step 6: Final answer
    x = 460,660.81

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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.