Home / 765,319.58-1,147,682.90-259,795.34

Finding the Fourth Proportional to 765,319.58, 1,147,682.90 and 259,795.34

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Solution

The fourth proportional to 765,319.58, 1,147,682.90 and 259,795.34 is: 389,592.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,319.58 : 1,147,682.90 = 259,795.34 : x
  2. Step 2: Convert to fraction form
    765,319.58/1,147,682.90 = 259,795.34/x
  3. Step 3: Cross multiply
    765,319.58x = 1,147,682.90 × 259,795.34
  4. Step 4: Simplify right side
    765,319.58x = 298,162,664,128.76
  5. Step 5: Solve for x
    x = 298,162,664,128.76/765,319.58
  6. Step 6: Final answer
    x = 389,592.37

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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.