Home / 725,992.70-1,089,210.58-371,255.90

Finding the Fourth Proportional to 725,992.70, 1,089,210.58 and 371,255.90

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Solution

The fourth proportional to 725,992.70, 1,089,210.58 and 371,255.90 is: 556,997.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,992.70 : 1,089,210.58 = 371,255.90 : x
  2. Step 2: Convert to fraction form
    725,992.70/1,089,210.58 = 371,255.90/x
  3. Step 3: Cross multiply
    725,992.70x = 1,089,210.58 × 371,255.90
  4. Step 4: Simplify right side
    725,992.70x = 404,375,854,167.42
  5. Step 5: Solve for x
    x = 404,375,854,167.42/725,992.70
  6. Step 6: Final answer
    x = 556,997.14

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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.