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Finding the Fourth Proportional to 365,789.70, 512,455.50 and 365,789.70

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Solution

The fourth proportional to 365,789.70, 512,455.50 and 365,789.70 is: 512,455.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,789.70 : 512,455.50 = 365,789.70 : x
  2. Step 2: Convert to fraction form
    365,789.70/512,455.50 = 365,789.70/x
  3. Step 3: Cross multiply
    365,789.70x = 512,455.50 × 365,789.70
  4. Step 4: Simplify right side
    365,789.70x = 187,450,943,608.35
  5. Step 5: Solve for x
    x = 187,450,943,608.35/365,789.70
  6. Step 6: Final answer
    x = 512,455.50

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.