Home / 511,380.24-705,675.96-281,929.92

Finding the Fourth Proportional to 511,380.24, 705,675.96 and 281,929.92

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Solution

The fourth proportional to 511,380.24, 705,675.96 and 281,929.92 is: 389,047.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,380.24 : 705,675.96 = 281,929.92 : x
  2. Step 2: Convert to fraction form
    511,380.24/705,675.96 = 281,929.92/x
  3. Step 3: Cross multiply
    511,380.24x = 705,675.96 × 281,929.92
  4. Step 4: Simplify right side
    511,380.24x = 198,951,166,948.72
  5. Step 5: Solve for x
    x = 198,951,166,948.72/511,380.24
  6. Step 6: Final answer
    x = 389,047.43

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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.