Home / 777,936.11-1,166,238.59-298,507.97

Finding the Fourth Proportional to 777,936.11, 1,166,238.59 and 298,507.97

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Solution

The fourth proportional to 777,936.11, 1,166,238.59 and 298,507.97 is: 447,506.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,936.11 : 1,166,238.59 = 298,507.97 : x
  2. Step 2: Convert to fraction form
    777,936.11/1,166,238.59 = 298,507.97/x
  3. Step 3: Cross multiply
    777,936.11x = 1,166,238.59 × 298,507.97
  4. Step 4: Simplify right side
    777,936.11x = 348,131,506,712.83
  5. Step 5: Solve for x
    x = 348,131,506,712.83/777,936.11
  6. Step 6: Final answer
    x = 447,506.55

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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.