Home / 648,192.20-973,163.10-515,222.60

Finding the Fourth Proportional to 648,192.20, 973,163.10 and 515,222.60

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Solution

The fourth proportional to 648,192.20, 973,163.10 and 515,222.60 is: 773,529.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,192.20 : 973,163.10 = 515,222.60 : x
  2. Step 2: Convert to fraction form
    648,192.20/973,163.10 = 515,222.60/x
  3. Step 3: Cross multiply
    648,192.20x = 973,163.10 × 515,222.60
  4. Step 4: Simplify right side
    648,192.20x = 501,395,622,606.06
  5. Step 5: Solve for x
    x = 501,395,622,606.06/648,192.20
  6. Step 6: Final answer
    x = 773,529.24

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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.