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Finding the Fourth Proportional to 503,400.93, 694,536.53 and 285,573.45

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Solution

The fourth proportional to 503,400.93, 694,536.53 and 285,573.45 is: 394,002.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,400.93 : 694,536.53 = 285,573.45 : x
  2. Step 2: Convert to fraction form
    503,400.93/694,536.53 = 285,573.45/x
  3. Step 3: Cross multiply
    503,400.93x = 694,536.53 × 285,573.45
  4. Step 4: Simplify right side
    503,400.93x = 198,341,190,293.01
  5. Step 5: Solve for x
    x = 198,341,190,293.01/503,400.93
  6. Step 6: Final answer
    x = 394,002.43

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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.