Home / 767,485.80-1,151,231.44-235,004.61

Finding the Fourth Proportional to 767,485.80, 1,151,231.44 and 235,004.61

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Solution

The fourth proportional to 767,485.80, 1,151,231.44 and 235,004.61 is: 352,507.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,485.80 : 1,151,231.44 = 235,004.61 : x
  2. Step 2: Convert to fraction form
    767,485.80/1,151,231.44 = 235,004.61/x
  3. Step 3: Cross multiply
    767,485.80x = 1,151,231.44 × 235,004.61
  4. Step 4: Simplify right side
    767,485.80x = 270,544,695,576.94
  5. Step 5: Solve for x
    x = 270,544,695,576.94/767,485.80
  6. Step 6: Final answer
    x = 352,507.75

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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.