Home / 691,928.46-1,037,134.41-270,741.42

Finding the Fourth Proportional to 691,928.46, 1,037,134.41 and 270,741.42

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Solution

The fourth proportional to 691,928.46, 1,037,134.41 and 270,741.42 is: 405,815.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,928.46 : 1,037,134.41 = 270,741.42 : x
  2. Step 2: Convert to fraction form
    691,928.46/1,037,134.41 = 270,741.42/x
  3. Step 3: Cross multiply
    691,928.46x = 1,037,134.41 × 270,741.42
  4. Step 4: Simplify right side
    691,928.46x = 280,795,242,894.26
  5. Step 5: Solve for x
    x = 280,795,242,894.26/691,928.46
  6. Step 6: Final answer
    x = 405,815.43

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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.