Home / 693,532.80-1,040,558.40-273,101.76

Finding the Fourth Proportional to 693,532.80, 1,040,558.40 and 273,101.76

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Solution

The fourth proportional to 693,532.80, 1,040,558.40 and 273,101.76 is: 409,754.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,532.80 : 1,040,558.40 = 273,101.76 : x
  2. Step 2: Convert to fraction form
    693,532.80/1,040,558.40 = 273,101.76/x
  3. Step 3: Cross multiply
    693,532.80x = 1,040,558.40 × 273,101.76
  4. Step 4: Simplify right side
    693,532.80x = 284,178,330,422.78
  5. Step 5: Solve for x
    x = 284,178,330,422.78/693,532.80
  6. Step 6: Final answer
    x = 409,754.71

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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.