Home / 785,317.96-1,177,836.70-208,944.55

Finding the Fourth Proportional to 785,317.96, 1,177,836.70 and 208,944.55

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Solution

The fourth proportional to 785,317.96, 1,177,836.70 and 208,944.55 is: 313,379.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,317.96 : 1,177,836.70 = 208,944.55 : x
  2. Step 2: Convert to fraction form
    785,317.96/1,177,836.70 = 208,944.55/x
  3. Step 3: Cross multiply
    785,317.96x = 1,177,836.70 × 208,944.55
  4. Step 4: Simplify right side
    785,317.96x = 246,102,557,260.33
  5. Step 5: Solve for x
    x = 246,102,557,260.33/785,317.96
  6. Step 6: Final answer
    x = 313,379.51

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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.