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Finding the Fourth Proportional to 618,744.96, 926,280.24 and 337,409.28

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Solution

The fourth proportional to 618,744.96, 926,280.24 and 337,409.28 is: 505,112.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,744.96 : 926,280.24 = 337,409.28 : x
  2. Step 2: Convert to fraction form
    618,744.96/926,280.24 = 337,409.28/x
  3. Step 3: Cross multiply
    618,744.96x = 926,280.24 × 337,409.28
  4. Step 4: Simplify right side
    618,744.96x = 312,535,548,856.63
  5. Step 5: Solve for x
    x = 312,535,548,856.63/618,744.96
  6. Step 6: Final answer
    x = 505,112.07

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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.