Home / 856,676.13-1,285,004.96-351,124.43

Finding the Fourth Proportional to 856,676.13, 1,285,004.96 and 351,124.43

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Solution

The fourth proportional to 856,676.13, 1,285,004.96 and 351,124.43 is: 526,682.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,676.13 : 1,285,004.96 = 351,124.43 : x
  2. Step 2: Convert to fraction form
    856,676.13/1,285,004.96 = 351,124.43/x
  3. Step 3: Cross multiply
    856,676.13x = 1,285,004.96 × 351,124.43
  4. Step 4: Simplify right side
    856,676.13x = 451,196,628,166.77
  5. Step 5: Solve for x
    x = 451,196,628,166.77/856,676.13
  6. Step 6: Final answer
    x = 526,682.85

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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.