Home / 777,604.75-1,166,473.95-216,639.25

Finding the Fourth Proportional to 777,604.75, 1,166,473.95 and 216,639.25

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Solution

The fourth proportional to 777,604.75, 1,166,473.95 and 216,639.25 is: 324,977.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,604.75 : 1,166,473.95 = 216,639.25 : x
  2. Step 2: Convert to fraction form
    777,604.75/1,166,473.95 = 216,639.25/x
  3. Step 3: Cross multiply
    777,604.75x = 1,166,473.95 × 216,639.25
  4. Step 4: Simplify right side
    777,604.75x = 252,704,041,672.54
  5. Step 5: Solve for x
    x = 252,704,041,672.54/777,604.75
  6. Step 6: Final answer
    x = 324,977.49

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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.