Home / 669,199.80-1,004,577.30-403,260.60

Finding the Fourth Proportional to 669,199.80, 1,004,577.30 and 403,260.60

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Solution

The fourth proportional to 669,199.80, 1,004,577.30 and 403,260.60 is: 605,359.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,199.80 : 1,004,577.30 = 403,260.60 : x
  2. Step 2: Convert to fraction form
    669,199.80/1,004,577.30 = 403,260.60/x
  3. Step 3: Cross multiply
    669,199.80x = 1,004,577.30 × 403,260.60
  4. Step 4: Simplify right side
    669,199.80x = 405,106,444,744.38
  5. Step 5: Solve for x
    x = 405,106,444,744.38/669,199.80
  6. Step 6: Final answer
    x = 605,359.48

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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.