Home / 787,052.70-1,086,101.46-464,866.29

Finding the Fourth Proportional to 787,052.70, 1,086,101.46 and 464,866.29

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Solution

The fourth proportional to 787,052.70, 1,086,101.46 and 464,866.29 is: 641,497.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,052.70 : 1,086,101.46 = 464,866.29 : x
  2. Step 2: Convert to fraction form
    787,052.70/1,086,101.46 = 464,866.29/x
  3. Step 3: Cross multiply
    787,052.70x = 1,086,101.46 × 464,866.29
  4. Step 4: Simplify right side
    787,052.70x = 504,891,956,273.78
  5. Step 5: Solve for x
    x = 504,891,956,273.78/787,052.70
  6. Step 6: Final answer
    x = 641,497.01

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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.