Home / 775,556.56-1,163,349.42-243,065.80

Finding the Fourth Proportional to 775,556.56, 1,163,349.42 and 243,065.80

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Solution

The fourth proportional to 775,556.56, 1,163,349.42 and 243,065.80 is: 364,603.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,556.56 : 1,163,349.42 = 243,065.80 : x
  2. Step 2: Convert to fraction form
    775,556.56/1,163,349.42 = 243,065.80/x
  3. Step 3: Cross multiply
    775,556.56x = 1,163,349.42 × 243,065.80
  4. Step 4: Simplify right side
    775,556.56x = 282,770,457,451.84
  5. Step 5: Solve for x
    x = 282,770,457,451.84/775,556.56
  6. Step 6: Final answer
    x = 364,603.27

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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.