Home / 669,201.80-1,004,580.30-403,262.60

Finding the Fourth Proportional to 669,201.80, 1,004,580.30 and 403,262.60

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Solution

The fourth proportional to 669,201.80, 1,004,580.30 and 403,262.60 is: 605,362.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,201.80 : 1,004,580.30 = 403,262.60 : x
  2. Step 2: Convert to fraction form
    669,201.80/1,004,580.30 = 403,262.60/x
  3. Step 3: Cross multiply
    669,201.80x = 1,004,580.30 × 403,262.60
  4. Step 4: Simplify right side
    669,201.80x = 405,109,663,686.78
  5. Step 5: Solve for x
    x = 405,109,663,686.78/669,201.80
  6. Step 6: Final answer
    x = 605,362.48

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1.5x scale

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.