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Finding the Fourth Proportional to 395,992.80, 594,496.08 and 340,189.92

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Solution

The fourth proportional to 395,992.80, 594,496.08 and 340,189.92 is: 510,720.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,992.80 : 594,496.08 = 340,189.92 : x
  2. Step 2: Convert to fraction form
    395,992.80/594,496.08 = 340,189.92/x
  3. Step 3: Cross multiply
    395,992.80x = 594,496.08 × 340,189.92
  4. Step 4: Simplify right side
    395,992.80x = 202,241,573,895.51
  5. Step 5: Solve for x
    x = 202,241,573,895.51/395,992.80
  6. Step 6: Final answer
    x = 510,720.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.