Home / 648,202.20-973,178.10-515,232.60

Finding the Fourth Proportional to 648,202.20, 973,178.10 and 515,232.60

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Solution

The fourth proportional to 648,202.20, 973,178.10 and 515,232.60 is: 773,544.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,202.20 : 973,178.10 = 515,232.60 : x
  2. Step 2: Convert to fraction form
    648,202.20/973,178.10 = 515,232.60/x
  3. Step 3: Cross multiply
    648,202.20x = 973,178.10 × 515,232.60
  4. Step 4: Simplify right side
    648,202.20x = 501,413,082,726.06
  5. Step 5: Solve for x
    x = 501,413,082,726.06/648,202.20
  6. Step 6: Final answer
    x = 773,544.25

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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.