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Finding the Fourth Proportional to 680,533.92, 1,020,800.90 and 254,103

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Solution

The fourth proportional to 680,533.92, 1,020,800.90 and 254,103 is: 381,154.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,533.92 : 1,020,800.90 = 254,103 : x
  2. Step 2: Convert to fraction form
    680,533.92/1,020,800.90 = 254,103/x
  3. Step 3: Cross multiply
    680,533.92x = 1,020,800.90 × 254,103
  4. Step 4: Simplify right side
    680,533.92x = 259,388,571,092.70
  5. Step 5: Solve for x
    x = 259,388,571,092.70/680,533.92
  6. Step 6: Final answer
    x = 381,154.51

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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.