Home / 648,195.20-973,167.60-515,225.60

Finding the Fourth Proportional to 648,195.20, 973,167.60 and 515,225.60

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Solution

The fourth proportional to 648,195.20, 973,167.60 and 515,225.60 is: 773,533.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,195.20 : 973,167.60 = 515,225.60 : x
  2. Step 2: Convert to fraction form
    648,195.20/973,167.60 = 515,225.60/x
  3. Step 3: Cross multiply
    648,195.20x = 973,167.60 × 515,225.60
  4. Step 4: Simplify right side
    648,195.20x = 501,400,860,610.56
  5. Step 5: Solve for x
    x = 501,400,860,610.56/648,195.20
  6. Step 6: Final answer
    x = 773,533.75

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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.