Home / 791,481.92-1,187,390.57-305,176.50

Finding the Fourth Proportional to 791,481.92, 1,187,390.57 and 305,176.50

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Solution

The fourth proportional to 791,481.92, 1,187,390.57 and 305,176.50 is: 457,829.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,481.92 : 1,187,390.57 = 305,176.50 : x
  2. Step 2: Convert to fraction form
    791,481.92/1,187,390.57 = 305,176.50/x
  3. Step 3: Cross multiply
    791,481.92x = 1,187,390.57 × 305,176.50
  4. Step 4: Simplify right side
    791,481.92x = 362,363,696,759.72
  5. Step 5: Solve for x
    x = 362,363,696,759.72/791,481.92
  6. Step 6: Final answer
    x = 457,829.41

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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.