Home / 853,270.36-1,280,096.45-320,796

Finding the Fourth Proportional to 853,270.36, 1,280,096.45 and 320,796

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Solution

The fourth proportional to 853,270.36, 1,280,096.45 and 320,796 is: 481,265.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,270.36 : 1,280,096.45 = 320,796 : x
  2. Step 2: Convert to fraction form
    853,270.36/1,280,096.45 = 320,796/x
  3. Step 3: Cross multiply
    853,270.36x = 1,280,096.45 × 320,796
  4. Step 4: Simplify right side
    853,270.36x = 410,649,820,774.20
  5. Step 5: Solve for x
    x = 410,649,820,774.20/853,270.36
  6. Step 6: Final answer
    x = 481,265.77

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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.