Home / 782,806.88-1,173,840.26-303,259.34

Finding the Fourth Proportional to 782,806.88, 1,173,840.26 and 303,259.34

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Solution

The fourth proportional to 782,806.88, 1,173,840.26 and 303,259.34 is: 454,745.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,806.88 : 1,173,840.26 = 303,259.34 : x
  2. Step 2: Convert to fraction form
    782,806.88/1,173,840.26 = 303,259.34/x
  3. Step 3: Cross multiply
    782,806.88x = 1,173,840.26 × 303,259.34
  4. Step 4: Simplify right side
    782,806.88x = 355,978,023,931.33
  5. Step 5: Solve for x
    x = 355,978,023,931.33/782,806.88
  6. Step 6: Final answer
    x = 454,745.65

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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.