Home / 777,945.87-1,166,253.17-298,517.70

Finding the Fourth Proportional to 777,945.87, 1,166,253.17 and 298,517.70

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Solution

The fourth proportional to 777,945.87, 1,166,253.17 and 298,517.70 is: 447,521.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,945.87 : 1,166,253.17 = 298,517.70 : x
  2. Step 2: Convert to fraction form
    777,945.87/1,166,253.17 = 298,517.70/x
  3. Step 3: Cross multiply
    777,945.87x = 1,166,253.17 × 298,517.70
  4. Step 4: Simplify right side
    777,945.87x = 348,147,212,433.52
  5. Step 5: Solve for x
    x = 348,147,212,433.52/777,945.87
  6. Step 6: Final answer
    x = 447,521.13

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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.