Home / 782,289.06-1,173,243.94-213,672.82

Finding the Fourth Proportional to 782,289.06, 1,173,243.94 and 213,672.82

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Solution

The fourth proportional to 782,289.06, 1,173,243.94 and 213,672.82 is: 320,457.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,289.06 : 1,173,243.94 = 213,672.82 : x
  2. Step 2: Convert to fraction form
    782,289.06/1,173,243.94 = 213,672.82/x
  3. Step 3: Cross multiply
    782,289.06x = 1,173,243.94 × 213,672.82
  4. Step 4: Simplify right side
    782,289.06x = 250,690,346,091.80
  5. Step 5: Solve for x
    x = 250,690,346,091.80/782,289.06
  6. Step 6: Final answer
    x = 320,457.43

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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.