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Finding the Fourth Proportional to 648,383.16, 894,956.94 and 376,512.60

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Solution

The fourth proportional to 648,383.16, 894,956.94 and 376,512.60 is: 519,696.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,383.16 : 894,956.94 = 376,512.60 : x
  2. Step 2: Convert to fraction form
    648,383.16/894,956.94 = 376,512.60/x
  3. Step 3: Cross multiply
    648,383.16x = 894,956.94 × 376,512.60
  4. Step 4: Simplify right side
    648,383.16x = 336,962,564,367.44
  5. Step 5: Solve for x
    x = 336,962,564,367.44/648,383.16
  6. Step 6: Final answer
    x = 519,696.66

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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.