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Finding the Fourth Proportional to 604,704.33, 834,212.79 and 389,913.39

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Solution

The fourth proportional to 604,704.33, 834,212.79 and 389,913.39 is: 537,900.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,704.33 : 834,212.79 = 389,913.39 : x
  2. Step 2: Convert to fraction form
    604,704.33/834,212.79 = 389,913.39/x
  3. Step 3: Cross multiply
    604,704.33x = 834,212.79 × 389,913.39
  4. Step 4: Simplify right side
    604,704.33x = 325,270,736,930.26
  5. Step 5: Solve for x
    x = 325,270,736,930.26/604,704.33
  6. Step 6: Final answer
    x = 537,900.46

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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.