Home / 692,936.75-1,039,405.09-260,735.43

Finding the Fourth Proportional to 692,936.75, 1,039,405.09 and 260,735.43

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Solution

The fourth proportional to 692,936.75, 1,039,405.09 and 260,735.43 is: 391,103.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,936.75 : 1,039,405.09 = 260,735.43 : x
  2. Step 2: Convert to fraction form
    692,936.75/1,039,405.09 = 260,735.43/x
  3. Step 3: Cross multiply
    692,936.75x = 1,039,405.09 × 260,735.43
  4. Step 4: Simplify right side
    692,936.75x = 271,009,733,163.50
  5. Step 5: Solve for x
    x = 271,009,733,163.50/692,936.75
  6. Step 6: Final answer
    x = 391,103.13

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Similar ratio
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1.5x scale

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.