Home / 777,993.12-1,166,997.36-217,068.96

Finding the Fourth Proportional to 777,993.12, 1,166,997.36 and 217,068.96

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Solution

The fourth proportional to 777,993.12, 1,166,997.36 and 217,068.96 is: 325,605.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,993.12 : 1,166,997.36 = 217,068.96 : x
  2. Step 2: Convert to fraction form
    777,993.12/1,166,997.36 = 217,068.96/x
  3. Step 3: Cross multiply
    777,993.12x = 1,166,997.36 × 217,068.96
  4. Step 4: Simplify right side
    777,993.12x = 253,318,903,257.95
  5. Step 5: Solve for x
    x = 253,318,903,257.95/777,993.12
  6. Step 6: Final answer
    x = 325,605.58

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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.