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Finding the Fourth Proportional to 791,409.28, 1,092,200.22 and 447,277

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Solution

The fourth proportional to 791,409.28, 1,092,200.22 and 447,277 is: 617,273.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,409.28 : 1,092,200.22 = 447,277 : x
  2. Step 2: Convert to fraction form
    791,409.28/1,092,200.22 = 447,277/x
  3. Step 3: Cross multiply
    791,409.28x = 1,092,200.22 × 447,277
  4. Step 4: Simplify right side
    791,409.28x = 488,516,037,800.94
  5. Step 5: Solve for x
    x = 488,516,037,800.94/791,409.28
  6. Step 6: Final answer
    x = 617,273.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.