Home / 785,791.38-1,178,051.36-245,769.82

Finding the Fourth Proportional to 785,791.38, 1,178,051.36 and 245,769.82

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Solution

The fourth proportional to 785,791.38, 1,178,051.36 and 245,769.82 is: 368,455.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,791.38 : 1,178,051.36 = 245,769.82 : x
  2. Step 2: Convert to fraction form
    785,791.38/1,178,051.36 = 245,769.82/x
  3. Step 3: Cross multiply
    785,791.38x = 1,178,051.36 × 245,769.82
  4. Step 4: Simplify right side
    785,791.38x = 289,529,470,697.96
  5. Step 5: Solve for x
    x = 289,529,470,697.96/785,791.38
  6. Step 6: Final answer
    x = 368,455.90

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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.