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Finding the Fourth Proportional to 560,520.29, 773,520.12 and 305,871.48

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Solution

The fourth proportional to 560,520.29, 773,520.12 and 305,871.48 is: 422,103.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,520.29 : 773,520.12 = 305,871.48 : x
  2. Step 2: Convert to fraction form
    560,520.29/773,520.12 = 305,871.48/x
  3. Step 3: Cross multiply
    560,520.29x = 773,520.12 × 305,871.48
  4. Step 4: Simplify right side
    560,520.29x = 236,597,743,914.18
  5. Step 5: Solve for x
    x = 236,597,743,914.18/560,520.29
  6. Step 6: Final answer
    x = 422,103.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.