Home / 792,117.60-1,188,176.40-259,692.45

Finding the Fourth Proportional to 792,117.60, 1,188,176.40 and 259,692.45

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Solution

The fourth proportional to 792,117.60, 1,188,176.40 and 259,692.45 is: 389,538.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,117.60 : 1,188,176.40 = 259,692.45 : x
  2. Step 2: Convert to fraction form
    792,117.60/1,188,176.40 = 259,692.45/x
  3. Step 3: Cross multiply
    792,117.60x = 1,188,176.40 × 259,692.45
  4. Step 4: Simplify right side
    792,117.60x = 308,560,440,348.18
  5. Step 5: Solve for x
    x = 308,560,440,348.18/792,117.60
  6. Step 6: Final answer
    x = 389,538.68

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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.