Home / 669,761.20-1,004,058.60-403,238.80

Finding the Fourth Proportional to 669,761.20, 1,004,058.60 and 403,238.80

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Solution

The fourth proportional to 669,761.20, 1,004,058.60 and 403,238.80 is: 604,507.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,761.20 : 1,004,058.60 = 403,238.80 : x
  2. Step 2: Convert to fraction form
    669,761.20/1,004,058.60 = 403,238.80/x
  3. Step 3: Cross multiply
    669,761.20x = 1,004,058.60 × 403,238.80
  4. Step 4: Simplify right side
    669,761.20x = 404,875,384,993.68
  5. Step 5: Solve for x
    x = 404,875,384,993.68/669,761.20
  6. Step 6: Final answer
    x = 604,507.08

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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.