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Finding the Fourth Proportional to 422,884.08, 583,015.38 and 335,957.55

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Solution

The fourth proportional to 422,884.08, 583,015.38 and 335,957.55 is: 463,172.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,884.08 : 583,015.38 = 335,957.55 : x
  2. Step 2: Convert to fraction form
    422,884.08/583,015.38 = 335,957.55/x
  3. Step 3: Cross multiply
    422,884.08x = 583,015.38 × 335,957.55
  4. Step 4: Simplify right side
    422,884.08x = 195,868,418,677.12
  5. Step 5: Solve for x
    x = 195,868,418,677.12/422,884.08
  6. Step 6: Final answer
    x = 463,172.84

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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.