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Finding the Fourth Proportional to 500,383.56, 750,669.87 and 200,887.68

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Solution

The fourth proportional to 500,383.56, 750,669.87 and 200,887.68 is: 301,369.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,383.56 : 750,669.87 = 200,887.68 : x
  2. Step 2: Convert to fraction form
    500,383.56/750,669.87 = 200,887.68/x
  3. Step 3: Cross multiply
    500,383.56x = 750,669.87 × 200,887.68
  4. Step 4: Simplify right side
    500,383.56x = 150,800,328,630.20
  5. Step 5: Solve for x
    x = 150,800,328,630.20/500,383.56
  6. Step 6: Final answer
    x = 301,369.47

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1.5x scale

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.