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Finding the Fourth Proportional to 503,295.73, 694,542.81 and 285,544.69

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Solution

The fourth proportional to 503,295.73, 694,542.81 and 285,544.69 is: 394,048.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,295.73 : 694,542.81 = 285,544.69 : x
  2. Step 2: Convert to fraction form
    503,295.73/694,542.81 = 285,544.69/x
  3. Step 3: Cross multiply
    503,295.73x = 694,542.81 × 285,544.69
  4. Step 4: Simplify right side
    503,295.73x = 198,323,011,373.18
  5. Step 5: Solve for x
    x = 198,323,011,373.18/503,295.73
  6. Step 6: Final answer
    x = 394,048.67

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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.