Home / 785,212.92-1,178,007.30-252,783.72

Finding the Fourth Proportional to 785,212.92, 1,178,007.30 and 252,783.72

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Solution

The fourth proportional to 785,212.92, 1,178,007.30 and 252,783.72 is: 379,236.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,212.92 : 1,178,007.30 = 252,783.72 : x
  2. Step 2: Convert to fraction form
    785,212.92/1,178,007.30 = 252,783.72/x
  3. Step 3: Cross multiply
    785,212.92x = 1,178,007.30 × 252,783.72
  4. Step 4: Simplify right side
    785,212.92x = 297,781,067,481.16
  5. Step 5: Solve for x
    x = 297,781,067,481.16/785,212.92
  6. Step 6: Final answer
    x = 379,236.08

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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.