Home / 850,110.42-1,172,800.31-505,877.43

Finding the Fourth Proportional to 850,110.42, 1,172,800.31 and 505,877.43

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Solution

The fourth proportional to 850,110.42, 1,172,800.31 and 505,877.43 is: 697,901.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,110.42 : 1,172,800.31 = 505,877.43 : x
  2. Step 2: Convert to fraction form
    850,110.42/1,172,800.31 = 505,877.43/x
  3. Step 3: Cross multiply
    850,110.42x = 1,172,800.31 × 505,877.43
  4. Step 4: Simplify right side
    850,110.42x = 593,293,204,196.62
  5. Step 5: Solve for x
    x = 593,293,204,196.62/850,110.42
  6. Step 6: Final answer
    x = 697,901.34

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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.