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Finding the Fourth Proportional to 454,295.37, 680,689.71 and 276,263.85

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Solution

The fourth proportional to 454,295.37, 680,689.71 and 276,263.85 is: 413,937.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,295.37 : 680,689.71 = 276,263.85 : x
  2. Step 2: Convert to fraction form
    454,295.37/680,689.71 = 276,263.85/x
  3. Step 3: Cross multiply
    454,295.37x = 680,689.71 × 276,263.85
  4. Step 4: Simplify right side
    454,295.37x = 188,049,959,939.98
  5. Step 5: Solve for x
    x = 188,049,959,939.98/454,295.37
  6. Step 6: Final answer
    x = 413,937.65

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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.