Home / 686,330.28-1,029,633.12-237,067.56

Finding the Fourth Proportional to 686,330.28, 1,029,633.12 and 237,067.56

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Solution

The fourth proportional to 686,330.28, 1,029,633.12 and 237,067.56 is: 355,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,330.28 : 1,029,633.12 = 237,067.56 : x
  2. Step 2: Convert to fraction form
    686,330.28/1,029,633.12 = 237,067.56/x
  3. Step 3: Cross multiply
    686,330.28x = 1,029,633.12 × 237,067.56
  4. Step 4: Simplify right side
    686,330.28x = 244,092,611,453.59
  5. Step 5: Solve for x
    x = 244,092,611,453.59/686,330.28
  6. Step 6: Final answer
    x = 355,648.90

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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.