Home / 726,772.38-1,089,355.73-300,072.96

Finding the Fourth Proportional to 726,772.38, 1,089,355.73 and 300,072.96

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Solution

The fourth proportional to 726,772.38, 1,089,355.73 and 300,072.96 is: 449,777.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,772.38 : 1,089,355.73 = 300,072.96 : x
  2. Step 2: Convert to fraction form
    726,772.38/1,089,355.73 = 300,072.96/x
  3. Step 3: Cross multiply
    726,772.38x = 1,089,355.73 × 300,072.96
  4. Step 4: Simplify right side
    726,772.38x = 326,886,196,893.70
  5. Step 5: Solve for x
    x = 326,886,196,893.70/726,772.38
  6. Step 6: Final answer
    x = 449,777.96

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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.