Home / 792,402.72-1,188,562.77-259,853.64

Finding the Fourth Proportional to 792,402.72, 1,188,562.77 and 259,853.64

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Solution

The fourth proportional to 792,402.72, 1,188,562.77 and 259,853.64 is: 389,766.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,402.72 : 1,188,562.77 = 259,853.64 : x
  2. Step 2: Convert to fraction form
    792,402.72/1,188,562.77 = 259,853.64/x
  3. Step 3: Cross multiply
    792,402.72x = 1,188,562.77 × 259,853.64
  4. Step 4: Simplify right side
    792,402.72x = 308,852,362,152.98
  5. Step 5: Solve for x
    x = 308,852,362,152.98/792,402.72
  6. Step 6: Final answer
    x = 389,766.91

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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.