Home / 785,265.35-1,177,902.50-279,845.73

Finding the Fourth Proportional to 785,265.35, 1,177,902.50 and 279,845.73

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Solution

The fourth proportional to 785,265.35, 1,177,902.50 and 279,845.73 is: 419,770.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,265.35 : 1,177,902.50 = 279,845.73 : x
  2. Step 2: Convert to fraction form
    785,265.35/1,177,902.50 = 279,845.73/x
  3. Step 3: Cross multiply
    785,265.35x = 1,177,902.50 × 279,845.73
  4. Step 4: Simplify right side
    785,265.35x = 329,630,983,582.10
  5. Step 5: Solve for x
    x = 329,630,983,582.10/785,265.35
  6. Step 6: Final answer
    x = 419,770.19

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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.