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Finding the Fourth Proportional to 868,896.72, 1,303,526.52 and 269,842.32

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Solution

The fourth proportional to 868,896.72, 1,303,526.52 and 269,842.32 is: 404,819.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,896.72 : 1,303,526.52 = 269,842.32 : x
  2. Step 2: Convert to fraction form
    868,896.72/1,303,526.52 = 269,842.32/x
  3. Step 3: Cross multiply
    868,896.72x = 1,303,526.52 × 269,842.32
  4. Step 4: Simplify right side
    868,896.72x = 351,746,620,338.33
  5. Step 5: Solve for x
    x = 351,746,620,338.33/868,896.72
  6. Step 6: Final answer
    x = 404,819.83

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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.