Home / 782,294.31-1,173,429.83-213,674.46

Finding the Fourth Proportional to 782,294.31, 1,173,429.83 and 213,674.46

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Solution

The fourth proportional to 782,294.31, 1,173,429.83 and 213,674.46 is: 320,508.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,294.31 : 1,173,429.83 = 213,674.46 : x
  2. Step 2: Convert to fraction form
    782,294.31/1,173,429.83 = 213,674.46/x
  3. Step 3: Cross multiply
    782,294.31x = 1,173,429.83 × 213,674.46
  4. Step 4: Simplify right side
    782,294.31x = 250,731,985,273.14
  5. Step 5: Solve for x
    x = 250,731,985,273.14/782,294.31
  6. Step 6: Final answer
    x = 320,508.51

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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.