Home / 779,932.96-1,170,074.64-281,296.96

Finding the Fourth Proportional to 779,932.96, 1,170,074.64 and 281,296.96

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Solution

The fourth proportional to 779,932.96, 1,170,074.64 and 281,296.96 is: 422,008.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,932.96 : 1,170,074.64 = 281,296.96 : x
  2. Step 2: Convert to fraction form
    779,932.96/1,170,074.64 = 281,296.96/x
  3. Step 3: Cross multiply
    779,932.96x = 1,170,074.64 × 281,296.96
  4. Step 4: Simplify right side
    779,932.96x = 329,138,439,205.09
  5. Step 5: Solve for x
    x = 329,138,439,205.09/779,932.96
  6. Step 6: Final answer
    x = 422,008.63

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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.