Home / 782,765.88-1,173,842.46-277,131.48

Finding the Fourth Proportional to 782,765.88, 1,173,842.46 and 277,131.48

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Solution

The fourth proportional to 782,765.88, 1,173,842.46 and 277,131.48 is: 415,588.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,765.88 : 1,173,842.46 = 277,131.48 : x
  2. Step 2: Convert to fraction form
    782,765.88/1,173,842.46 = 277,131.48/x
  3. Step 3: Cross multiply
    782,765.88x = 1,173,842.46 × 277,131.48
  4. Step 4: Simplify right side
    782,765.88x = 325,308,698,226.64
  5. Step 5: Solve for x
    x = 325,308,698,226.64/782,765.88
  6. Step 6: Final answer
    x = 415,588.76

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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.