Home / 762,540.56-1,143,986.56-263,904.56

Finding the Fourth Proportional to 762,540.56, 1,143,986.56 and 263,904.56

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Solution

The fourth proportional to 762,540.56, 1,143,986.56 and 263,904.56 is: 395,917.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,540.56 : 1,143,986.56 = 263,904.56 : x
  2. Step 2: Convert to fraction form
    762,540.56/1,143,986.56 = 263,904.56/x
  3. Step 3: Cross multiply
    762,540.56x = 1,143,986.56 × 263,904.56
  4. Step 4: Simplify right side
    762,540.56x = 301,903,269,762.71
  5. Step 5: Solve for x
    x = 301,903,269,762.71/762,540.56
  6. Step 6: Final answer
    x = 395,917.65

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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.