Home / 686,704.17-1,030,185.39-276,404.84

Finding the Fourth Proportional to 686,704.17, 1,030,185.39 and 276,404.84

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Solution

The fourth proportional to 686,704.17, 1,030,185.39 and 276,404.84 is: 414,659.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,704.17 : 1,030,185.39 = 276,404.84 : x
  2. Step 2: Convert to fraction form
    686,704.17/1,030,185.39 = 276,404.84/x
  3. Step 3: Cross multiply
    686,704.17x = 1,030,185.39 × 276,404.84
  4. Step 4: Simplify right side
    686,704.17x = 284,748,227,893.29
  5. Step 5: Solve for x
    x = 284,748,227,893.29/686,704.17
  6. Step 6: Final answer
    x = 414,659.24

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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.