Home / 829,892.70-1,242,765.45-664,004.70

Finding the Fourth Proportional to 829,892.70, 1,242,765.45 and 664,004.70

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Solution

The fourth proportional to 829,892.70, 1,242,765.45 and 664,004.70 is: 994,347.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,892.70 : 1,242,765.45 = 664,004.70 : x
  2. Step 2: Convert to fraction form
    829,892.70/1,242,765.45 = 664,004.70/x
  3. Step 3: Cross multiply
    829,892.70x = 1,242,765.45 × 664,004.70
  4. Step 4: Simplify right side
    829,892.70x = 825,202,099,797.62
  5. Step 5: Solve for x
    x = 825,202,099,797.62/829,892.70
  6. Step 6: Final answer
    x = 994,347.94

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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.