Home / 725,911.69-1,089,089.07-371,174.89

Finding the Fourth Proportional to 725,911.69, 1,089,089.07 and 371,174.89

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Solution

The fourth proportional to 725,911.69, 1,089,089.07 and 371,174.89 is: 556,875.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,911.69 : 1,089,089.07 = 371,174.89 : x
  2. Step 2: Convert to fraction form
    725,911.69/1,089,089.07 = 371,174.89/x
  3. Step 3: Cross multiply
    725,911.69x = 1,089,089.07 × 371,174.89
  4. Step 4: Simplify right side
    725,911.69x = 404,242,515,757.45
  5. Step 5: Solve for x
    x = 404,242,515,757.45/725,911.69
  6. Step 6: Final answer
    x = 556,875.61

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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.