Home / 856,954.86-1,285,136.01-351,372.30

Finding the Fourth Proportional to 856,954.86, 1,285,136.01 and 351,372.30

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Solution

The fourth proportional to 856,954.86, 1,285,136.01 and 351,372.30 is: 526,936.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,954.86 : 1,285,136.01 = 351,372.30 : x
  2. Step 2: Convert to fraction form
    856,954.86/1,285,136.01 = 351,372.30/x
  3. Step 3: Cross multiply
    856,954.86x = 1,285,136.01 × 351,372.30
  4. Step 4: Simplify right side
    856,954.86x = 451,561,195,646.52
  5. Step 5: Solve for x
    x = 451,561,195,646.52/856,954.86
  6. Step 6: Final answer
    x = 526,936.97

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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.