Home / 856,245.96-1,285,165.98-435,836.52

Finding the Fourth Proportional to 856,245.96, 1,285,165.98 and 435,836.52

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Solution

The fourth proportional to 856,245.96, 1,285,165.98 and 435,836.52 is: 654,160.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,245.96 : 1,285,165.98 = 435,836.52 : x
  2. Step 2: Convert to fraction form
    856,245.96/1,285,165.98 = 435,836.52/x
  3. Step 3: Cross multiply
    856,245.96x = 1,285,165.98 × 435,836.52
  4. Step 4: Simplify right side
    856,245.96x = 560,122,268,345.59
  5. Step 5: Solve for x
    x = 560,122,268,345.59/856,245.96
  6. Step 6: Final answer
    x = 654,160.48

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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.