Home / 856,308.24-1,284,642.72-323,817.48

Finding the Fourth Proportional to 856,308.24, 1,284,642.72 and 323,817.48

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Solution

The fourth proportional to 856,308.24, 1,284,642.72 and 323,817.48 is: 485,794.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,308.24 : 1,284,642.72 = 323,817.48 : x
  2. Step 2: Convert to fraction form
    856,308.24/1,284,642.72 = 323,817.48/x
  3. Step 3: Cross multiply
    856,308.24x = 1,284,642.72 × 323,817.48
  4. Step 4: Simplify right side
    856,308.24x = 415,989,768,290.75
  5. Step 5: Solve for x
    x = 415,989,768,290.75/856,308.24
  6. Step 6: Final answer
    x = 485,794.42

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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.