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Finding the Fourth Proportional to 500,703.68, 691,035.36 and 285,794.48

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Solution

The fourth proportional to 500,703.68, 691,035.36 and 285,794.48 is: 394,433.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,703.68 : 691,035.36 = 285,794.48 : x
  2. Step 2: Convert to fraction form
    500,703.68/691,035.36 = 285,794.48/x
  3. Step 3: Cross multiply
    500,703.68x = 691,035.36 × 285,794.48
  4. Step 4: Simplify right side
    500,703.68x = 197,494,091,372.81
  5. Step 5: Solve for x
    x = 197,494,091,372.81/500,703.68
  6. Step 6: Final answer
    x = 394,433.07

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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.