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Finding the Fourth Proportional to 605,556, 835,667.28 and 337,301.28

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Solution

The fourth proportional to 605,556, 835,667.28 and 337,301.28 is: 465,475.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,556 : 835,667.28 = 337,301.28 : x
  2. Step 2: Convert to fraction form
    605,556/835,667.28 = 337,301.28/x
  3. Step 3: Cross multiply
    605,556x = 835,667.28 × 337,301.28
  4. Step 4: Simplify right side
    605,556x = 281,871,643,198.12
  5. Step 5: Solve for x
    x = 281,871,643,198.12/605,556
  6. Step 6: Final answer
    x = 465,475.77

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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.