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Finding the Fourth Proportional to 571,659.41, 786,910.01 and 494,099.73

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Solution

The fourth proportional to 571,659.41, 786,910.01 and 494,099.73 is: 680,146.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,659.41 : 786,910.01 = 494,099.73 : x
  2. Step 2: Convert to fraction form
    571,659.41/786,910.01 = 494,099.73/x
  3. Step 3: Cross multiply
    571,659.41x = 786,910.01 × 494,099.73
  4. Step 4: Simplify right side
    571,659.41x = 388,812,023,475.30
  5. Step 5: Solve for x
    x = 388,812,023,475.30/571,659.41
  6. Step 6: Final answer
    x = 680,146.28

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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.