Home / 675,911.53-1,013,815.32-419,796.06

Finding the Fourth Proportional to 675,911.53, 1,013,815.32 and 419,796.06

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Solution

The fourth proportional to 675,911.53, 1,013,815.32 and 419,796.06 is: 629,661.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,911.53 : 1,013,815.32 = 419,796.06 : x
  2. Step 2: Convert to fraction form
    675,911.53/1,013,815.32 = 419,796.06/x
  3. Step 3: Cross multiply
    675,911.53x = 1,013,815.32 × 419,796.06
  4. Step 4: Simplify right side
    675,911.53x = 425,595,676,903.64
  5. Step 5: Solve for x
    x = 425,595,676,903.64/675,911.53
  6. Step 6: Final answer
    x = 629,661.81

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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.