Home / 775,912.51-1,163,855.32-349,146.34

Finding the Fourth Proportional to 775,912.51, 1,163,855.32 and 349,146.34

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Solution

The fourth proportional to 775,912.51, 1,163,855.32 and 349,146.34 is: 523,713.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,912.51 : 1,163,855.32 = 349,146.34 : x
  2. Step 2: Convert to fraction form
    775,912.51/1,163,855.32 = 349,146.34/x
  3. Step 3: Cross multiply
    775,912.51x = 1,163,855.32 × 349,146.34
  4. Step 4: Simplify right side
    775,912.51x = 406,355,821,485.03
  5. Step 5: Solve for x
    x = 406,355,821,485.03/775,912.51
  6. Step 6: Final answer
    x = 523,713.46

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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.