Home / 766,865.09-1,150,255.79-234,385.94

Finding the Fourth Proportional to 766,865.09, 1,150,255.79 and 234,385.94

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Solution

The fourth proportional to 766,865.09, 1,150,255.79 and 234,385.94 is: 351,566.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,865.09 : 1,150,255.79 = 234,385.94 : x
  2. Step 2: Convert to fraction form
    766,865.09/1,150,255.79 = 234,385.94/x
  3. Step 3: Cross multiply
    766,865.09x = 1,150,255.79 × 234,385.94
  4. Step 4: Simplify right side
    766,865.09x = 269,603,784,579.59
  5. Step 5: Solve for x
    x = 269,603,784,579.59/766,865.09
  6. Step 6: Final answer
    x = 351,566.12

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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.