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Finding the Fourth Proportional to 604,630.43, 834,364.97 and 328,989.41

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Solution

The fourth proportional to 604,630.43, 834,364.97 and 328,989.41 is: 453,991.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,630.43 : 834,364.97 = 328,989.41 : x
  2. Step 2: Convert to fraction form
    604,630.43/834,364.97 = 328,989.41/x
  3. Step 3: Cross multiply
    604,630.43x = 834,364.97 × 328,989.41
  4. Step 4: Simplify right side
    604,630.43x = 274,497,239,645.93
  5. Step 5: Solve for x
    x = 274,497,239,645.93/604,630.43
  6. Step 6: Final answer
    x = 453,991.77

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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.