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Finding the Fourth Proportional to 682,810.55, 954,163.30 and 682,810.55

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Solution

The fourth proportional to 682,810.55, 954,163.30 and 682,810.55 is: 954,163.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,810.55 : 954,163.30 = 682,810.55 : x
  2. Step 2: Convert to fraction form
    682,810.55/954,163.30 = 682,810.55/x
  3. Step 3: Cross multiply
    682,810.55x = 954,163.30 × 682,810.55
  4. Step 4: Simplify right side
    682,810.55x = 651,512,767,662.82
  5. Step 5: Solve for x
    x = 651,512,767,662.82/682,810.55
  6. Step 6: Final answer
    x = 954,163.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.