Home / 980,997.89-1,353,222.99-617,797.26

Finding the Fourth Proportional to 980,997.89, 1,353,222.99 and 617,797.26

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Solution

The fourth proportional to 980,997.89, 1,353,222.99 and 617,797.26 is: 852,211.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,997.89 : 1,353,222.99 = 617,797.26 : x
  2. Step 2: Convert to fraction form
    980,997.89/1,353,222.99 = 617,797.26/x
  3. Step 3: Cross multiply
    980,997.89x = 1,353,222.99 × 617,797.26
  4. Step 4: Simplify right side
    980,997.89x = 836,017,455,391.01
  5. Step 5: Solve for x
    x = 836,017,455,391.01/980,997.89
  6. Step 6: Final answer
    x = 852,211.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.