Home / 777,605.25-1,166,474.70-216,639.75

Finding the Fourth Proportional to 777,605.25, 1,166,474.70 and 216,639.75

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Solution

The fourth proportional to 777,605.25, 1,166,474.70 and 216,639.75 is: 324,978.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,605.25 : 1,166,474.70 = 216,639.75 : x
  2. Step 2: Convert to fraction form
    777,605.25/1,166,474.70 = 216,639.75/x
  3. Step 3: Cross multiply
    777,605.25x = 1,166,474.70 × 216,639.75
  4. Step 4: Simplify right side
    777,605.25x = 252,704,787,389.33
  5. Step 5: Solve for x
    x = 252,704,787,389.33/777,605.25
  6. Step 6: Final answer
    x = 324,978.24

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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.