Home / 856,309.24-1,284,644.22-323,818.48

Finding the Fourth Proportional to 856,309.24, 1,284,644.22 and 323,818.48

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Solution

The fourth proportional to 856,309.24, 1,284,644.22 and 323,818.48 is: 485,795.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,309.24 : 1,284,644.22 = 323,818.48 : x
  2. Step 2: Convert to fraction form
    856,309.24/1,284,644.22 = 323,818.48/x
  3. Step 3: Cross multiply
    856,309.24x = 1,284,644.22 × 323,818.48
  4. Step 4: Simplify right side
    856,309.24x = 415,991,538,661.19
  5. Step 5: Solve for x
    x = 415,991,538,661.19/856,309.24
  6. Step 6: Final answer
    x = 485,795.92

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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.