Home / 777,285.94-1,165,959.63-216,369.46

Finding the Fourth Proportional to 777,285.94, 1,165,959.63 and 216,369.46

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Solution

The fourth proportional to 777,285.94, 1,165,959.63 and 216,369.46 is: 324,562.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,285.94 : 1,165,959.63 = 216,369.46 : x
  2. Step 2: Convert to fraction form
    777,285.94/1,165,959.63 = 216,369.46/x
  3. Step 3: Cross multiply
    777,285.94x = 1,165,959.63 × 216,369.46
  4. Step 4: Simplify right side
    777,285.94x = 252,278,055,524.90
  5. Step 5: Solve for x
    x = 252,278,055,524.90/777,285.94
  6. Step 6: Final answer
    x = 324,562.74

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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.