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Finding the Fourth Proportional to 699,849, 1,049,929.04 and 256,617

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Solution

The fourth proportional to 699,849, 1,049,929.04 and 256,617 is: 384,982.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,849 : 1,049,929.04 = 256,617 : x
  2. Step 2: Convert to fraction form
    699,849/1,049,929.04 = 256,617/x
  3. Step 3: Cross multiply
    699,849x = 1,049,929.04 × 256,617
  4. Step 4: Simplify right side
    699,849x = 269,429,640,457.68
  5. Step 5: Solve for x
    x = 269,429,640,457.68/699,849
  6. Step 6: Final answer
    x = 384,982.53

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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.