Home / 850,098.42-1,172,783.75-505,865.43

Finding the Fourth Proportional to 850,098.42, 1,172,783.75 and 505,865.43

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Solution

The fourth proportional to 850,098.42, 1,172,783.75 and 505,865.43 is: 697,884.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,098.42 : 1,172,783.75 = 505,865.43 : x
  2. Step 2: Convert to fraction form
    850,098.42/1,172,783.75 = 505,865.43/x
  3. Step 3: Cross multiply
    850,098.42x = 1,172,783.75 × 505,865.43
  4. Step 4: Simplify right side
    850,098.42x = 593,270,753,461.44
  5. Step 5: Solve for x
    x = 593,270,753,461.44/850,098.42
  6. Step 6: Final answer
    x = 697,884.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.