Home / 725,912.69-1,089,090.57-371,175.89

Finding the Fourth Proportional to 725,912.69, 1,089,090.57 and 371,175.89

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Solution

The fourth proportional to 725,912.69, 1,089,090.57 and 371,175.89 is: 556,877.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,912.69 : 1,089,090.57 = 371,175.89 : x
  2. Step 2: Convert to fraction form
    725,912.69/1,089,090.57 = 371,175.89/x
  3. Step 3: Cross multiply
    725,912.69x = 1,089,090.57 × 371,175.89
  4. Step 4: Simplify right side
    725,912.69x = 404,244,161,610.36
  5. Step 5: Solve for x
    x = 404,244,161,610.36/725,912.69
  6. Step 6: Final answer
    x = 556,877.11

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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.