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Finding the Fourth Proportional to 504,511.96, 756,969.56 and 205,015.98

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Solution

The fourth proportional to 504,511.96, 756,969.56 and 205,015.98 is: 307,605.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,511.96 : 756,969.56 = 205,015.98 : x
  2. Step 2: Convert to fraction form
    504,511.96/756,969.56 = 205,015.98/x
  3. Step 3: Cross multiply
    504,511.96x = 756,969.56 × 205,015.98
  4. Step 4: Simplify right side
    504,511.96x = 155,190,856,173.57
  5. Step 5: Solve for x
    x = 155,190,856,173.57/504,511.96
  6. Step 6: Final answer
    x = 307,605.90

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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.