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Finding the Fourth Proportional to 699,845, 1,049,923.02 and 256,613

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Solution

The fourth proportional to 699,845, 1,049,923.02 and 256,613 is: 384,976.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,845 : 1,049,923.02 = 256,613 : x
  2. Step 2: Convert to fraction form
    699,845/1,049,923.02 = 256,613/x
  3. Step 3: Cross multiply
    699,845x = 1,049,923.02 × 256,613
  4. Step 4: Simplify right side
    699,845x = 269,423,895,931.26
  5. Step 5: Solve for x
    x = 269,423,895,931.26/699,845
  6. Step 6: Final answer
    x = 384,976.52

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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.