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Finding the Fourth Proportional to 633,871.05, 874,745.37 and 343,482.73

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Solution

The fourth proportional to 633,871.05, 874,745.37 and 343,482.73 is: 474,007.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,871.05 : 874,745.37 = 343,482.73 : x
  2. Step 2: Convert to fraction form
    633,871.05/874,745.37 = 343,482.73/x
  3. Step 3: Cross multiply
    633,871.05x = 874,745.37 × 343,482.73
  4. Step 4: Simplify right side
    633,871.05x = 300,459,925,555.60
  5. Step 5: Solve for x
    x = 300,459,925,555.60/633,871.05
  6. Step 6: Final answer
    x = 474,007.96

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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.