Home / 775,679.36-1,163,389.44-214,770.56

Finding the Fourth Proportional to 775,679.36, 1,163,389.44 and 214,770.56

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Solution

The fourth proportional to 775,679.36, 1,163,389.44 and 214,770.56 is: 322,119.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,679.36 : 1,163,389.44 = 214,770.56 : x
  2. Step 2: Convert to fraction form
    775,679.36/1,163,389.44 = 214,770.56/x
  3. Step 3: Cross multiply
    775,679.36x = 1,163,389.44 × 214,770.56
  4. Step 4: Simplify right side
    775,679.36x = 249,861,801,526.89
  5. Step 5: Solve for x
    x = 249,861,801,526.89/775,679.36
  6. Step 6: Final answer
    x = 322,119.96

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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.