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Finding the Fourth Proportional to 605,579.72, 835,637.38 and 372,969.59

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Solution

The fourth proportional to 605,579.72, 835,637.38 and 372,969.59 is: 514,659.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,579.72 : 835,637.38 = 372,969.59 : x
  2. Step 2: Convert to fraction form
    605,579.72/835,637.38 = 372,969.59/x
  3. Step 3: Cross multiply
    605,579.72x = 835,637.38 × 372,969.59
  4. Step 4: Simplify right side
    605,579.72x = 311,667,325,896.66
  5. Step 5: Solve for x
    x = 311,667,325,896.66/605,579.72
  6. Step 6: Final answer
    x = 514,659.45

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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.